•
Fred Armisen as
Mlepnos (also spelled Melipnos or Mlep(clay)nos), a confused foreign man living in a building where a murder took place. The detectives run into Mlepnos in the pilot episode while searching for witnesses. He shows up again in "
Operation: Broken Feather". In "
Jake & Amy", Hitchcock and Scully recruit him to perform the violin at Jake and Amy's wedding. In his recurring appearances, he denies meeting Jake or Amy before and changes his name. •
Pete Davidson as
Steve, an at-risk kid who interrupts and makes fun of Diaz and Santiago. When Gina lists her reasons for joining the program, he still doesn't sign up for the Junior Police program. •
Helen Slayton-Hughes as
Ethel Musterberg, a senile woman mistaken for a missing person. •
Mary Elizabeth Ellis as
Rossi, a medical examiner whom Jake hooks up with. •
Andy Richter as
Hawley, a sarcastic and childish doorman who refuses to assist Jake during routine questioning. •
Kid Cudi as
Dustin Whitman, a perpetrator Jake arrests on suspicion of burglary. Whitman mocks Jake by calling him "Joke Peralta" when he learns that Jake does not have sufficient evidence to convict him of a crime, but learns to his regret that he has underestimated Det. Peralta's ability. •
Stacy Keach as
Jimmy Brogan, a crime writer from the 1970s whom Peralta greatly admires. Brogan is revealed to be bigoted, racist, homophobic, vengeful, and manipulative, disillusioning Peralta and leading to a physical altercation between the two when Peralta punches Brogan for slurs against Holt. •
Jerry Minor as
Jerry Grundhaven, a defense attorney who antagonizes Diaz in court. •
Joey Diaz as
Sal, the owner of a pizzeria that got burned down; Jake and Charles have to deal with Fire Marshall Boone on the case. • Allen Evangelista as
"Savant" (Corey Park), the 99th precinct's IT director. He is hired after he hacks the precinct's server out of boredom (he was caught because his mom tipped off the police). •
Adam Sandler as himself, appearing at an auction Jake went undercover at. He proceeds to humiliate Jake onstage. •
Joe Theismann as himself, appearing at an auction Jake went undercover at. •
Nate Torrence as
Super Dan, a local vigilante whom Rosa and Amy don't take seriously. •
Sean Whalen as
Bill Voss, a criminal with several warrants who accepts a fake trip to the Bahamas before being arrested by Diaz and Jeffords. •
Beth Dover as
Janice, a stationery store employee who helps out Charles and Jake when they went to pick up wedding invitations. •
Ian Roberts as
Lucas Wint, a civic leader who Jake suspects is laundering money for drug dealers. •
Jenny Slate as
Bianca, the girlfriend of a powerful
Italian-American mobster. •
Apollo Robbins as
Dan "Fingers" McCreary, a thief Jake hires to help steal Holt's watch during the Halloween heist. •
Dan Bakkedahl as
Andrew Miller, a lieutenant and investigator from
Internal Affairs. He investigates the 99th Precinct for a possible undercover mole until the detectives discover that he himself is spying on the precinct at the behest of Wuntch. Miller has paranoid
germophobia. •
Ed Helms as
Jack Danger (pronounced donger), an egomaniacal, incompetent, obnoxious agent for the
United States Postal Inspection Service whom Jake had to deal with while tracking the Giggle Pig drug gang. •
Nick Kroll as
Kendrick, a condescending agent from the
Department of Homeland Security who has no respect for the NYPD and makes detectives from the Nine-Nine serve as taped-up "hostages" during a counterterrorism training exercise for Federal law enforcement agencies. Despite Jake leading a 99th rebellion that sees the cops take out nearly all of the Feds, Kendrick manages to "shoot" Jake and informs him the NYPD will not be invited to any future events. •
Garret Dillahunt as
Dave Majors, New York City's best detective whom Jake and Amy greatly admire. He takes an interest in Amy much to Jake's dismay, but she turns him down, citing her previous relationship with Teddy. •
Bill Hader as
Seth Dozerman, the new Captain of the 99th Precinct after the transfer of Captain Holt to the Public Affairs Division. Within moments of meeting the squad, he rants about their lack of efficiency and his obsession with it, before suffering a heart attack. On his second day, he discloses that he has a genetic heart condition that drastically reduces his life expectancy. He then suffers another heart attack after witnessing Jake and Amy kiss and dies. •
Archie Panjabi as
Singh, an NYPD lieutenant who Boyle hooks up with at Dozerman's funeral. He laments being unable to pursue a relationship with her after learning that she is a
vegan. •
Jon Daly as
Bram Applebaum, a half-Scottish bagpipe player for the
NYPD Pipes and Drums, who performs at Dozerman's funeral. •
James Urbaniak as
Nick Lingeman, Genevieve's ex-boyfriend and an art gallery owner who Jake and Charles suspect framed Genevieve. •
Stormi Henley as
Dvora, Nick's assistant who is romantically interested in him. •
Nick Offerman as
Frederick, Holt's ex-boyfriend who broke up with him after Holt threw Frederick's duck ornament off of the Brooklyn Bridge. As a gynecologist, Jake and Holt ask him to help Sharon Jeffords after she goes in labor, with Holt having to confess to throwing away the duck ornament as a condition. •
Anders Holm as
Søren Knausgaard, a Swedish Interpol officer who works a case involving stolen jewels from Sweden with Jake and Rosa. •
Riki Lindhome as
Agneta Carlsson, a Swedish Interpol officer who works a case involving stolen jewels from Sweden with Jake and Rosa. •
Neil deGrasse Tyson as himself, appearing in the precinct to aid Gina in her study of
astrophysics. He is Terry's gym buddy. •
Kathryn Hahn as
Eleanor Horstweil, Charles's ex-wife who appears after Charles attempts to withdraw his sperm from cold storage, which was legally under her possession. She holds Charles in very little regard. •
Oscar Nunez as
Dr. Porp, a doctor who diagnosed Jake and Holt with the mumps. •
Paul F. Tompkins as
Orleans, the captain of the cruise ship that Doug Judy performed piano on when Jake and Amy won a free cruise. •
Damon Wayans Jr. as
Stevie Schillens, Jake's former beat partner who comes to the precinct after renovations commence at his own. Charles disregards his presence out of jealousy, and he ends up finding out Schillens is a dirty cop after catching him plant evidence. •
Brad Hall as
John William Weichselbraun, a classical oboist who claims his instrument was stolen; also one of Holt's heroes. •
Kate Flannery as
"Mean" Marge Bronigan, the precinct's ill-tempered custodian. •
Matt Besser as
Holderton, a detective from the 65th precinct who makes fun of Terry for accusing a cat of being a thief. •
Maya Rudolph as
Karen Haas, a
United States Deputy Marshal who serves as Jake's and Holt's contact while they are in
Witness Protection in
Florida. •
Rhea Perlman as
Estelle, a member of Holt's alias Greg's walking group. •
Jorma Taccone as
Taylor, the manager of a children's funhouse Holt works at while hiding as Greg. •
Betsy Sodaro as
Jordan Carfton, a lady who took a video that could expose Jake and Holt while they were in Witness Protection. •
Esther Povitsky as
Emily, Gina's new assistant granted by Captain Stentley. She's under strict orders from Gina to mock Amy whenever there's an opening. •
Jim O'Heir as
Reynolds, a homophobic police sheriff in Florida who detains Jake and Holt after stopping them with a copious number of guns and amount of ammo. •
Zooey Deschanel as
Jess Day, a
Los Angeles resident who is visiting New York and unwillingly assists Jake in chasing a suspect. Deschanel's appearance is part of a crossover between
Brooklyn Nine-Nine and
New Girl. •
Fred Melamed as
DC Parlov, the author of the Skyfire books, which Terry (and later Jake) are huge fans of. He begins to receive death threats, resulting in Jake and Terry having to protect him. Later the manuscript for his upcoming book is stolen, but it turns out to be an inside job resulting in his arrest. •
Eric Edelstein as
Kurt Ovarp, a Skyfire fan who Jake and Terry suspect sent the threat to DC Parlov. •
Marshawn Lynch as himself, who witnesses a prison escape after the transport van crashes (unknowingly caused by himself). •
Charles Baker as
George Judy, an escaped convicted murderer, and Doug Judy's former foster brother. •
Jama Williamson as
Rachel, Teddy's girlfriend who witnesses him propose to Amy after Jazz brunch. •
Kimberly Hébert Gregory as
Veronica Hopkins, Terry's ex-girlfriend and fellow NYPD officer. She holds a massive grudge against Terry for their break-up (as she finds out Terry planned to break up with her a year earlier without telling her) and holds it against the precinct when she's assigned to audit it. •
Nathan Fillion as
Mark Deveraux, an actor who plays a detective on a series called
Serve & Protect. Deveraux attempts to assist Jake and Rosa when a crime occurs on the show's set, though he's later revealed to be the culprit and is kicked off the show. •
Greg Germann as
Gary Lurmax, the executive producer of
Serve & Protect. He nearly gives Jake a consulting position on the show, but after Jake lashes out at him and accuses him of a crime he didn't commit, he gets back at Jake by creating an unlikable character on the show named Jake Peralta and has him brutally murdered. •
Kelly Sullivan as
Cassie Sinclair, an actress who plays a detective on a series called
Serve & Protect. She reports her laptop as stolen, prompting Peralta and Diaz to investigate the set. She is described as rapidly gaining popularity on the show, with a spin-off for her character being developed and causing tensions on the set. • Kenny Stevenson as
Officer Mark, a uniformed officer at the 99 who is brought at the expense of the squad to include someone outside the "inner circle." •
Desmond Harrington as
Maldack, an NYPD uniformed officer who used
racial profiling to stop and question Sergeant Jeffords in "
Moo Moo". After an unsuccessful meeting with Maldack, and much deliberation with Captain Holt, Jeffords filed an official complaint about the incident. •
Andy Daly as
Jeffrey Bouche, another rival of Holt's whom he loathes for his chipper attitude and for seemingly undermining his efforts to rise in the NYPD. Holt's suspicions are confirmed after he sabotages his presentation at Cop-Con, filling it with photos from the 99's party the night before. •
Audrey Wasilewski as
Cindy Shatz, a Cop-Con attendee who is extremely similar to Scully and later begins dating him. •
Ryan Phillippe as
Milton Boyle, Boyle's cousin who begins a relationship with Gina when she becomes pregnant with his child. •
Brent Briscoe as
Matthew Langdon, an ex-NYPD officer who went into hiding once learning of Hawkins crookedness. It's later revealed he's an associate of Hawkins, tricking Jake and Rosa into bringing him in as a witness. •
Eugene Cordero as
Pandemic, a hacker and friend of Boyle who tries to help clear Peralta and Diaz from crimes. •
Kulap Vilaysack as
Jennifer "Nightmare" Huggins, a hacker and colleague of Pandemic who tries to help clear Peralta and Diaz of bank robbery. •
Scott Aukerman as
Glandis, a hacker and colleague of Pandemic who tries to help clear Peralta and Diaz of bank robbery. •
Lou Diamond Phillips as
Jeff Romero, another inmate whose gang Jake joins. •
Romy Rosemont as
Claire Damont, Davidson's lawyer. •
David Fumero as
Melvin "Vin" Stermly, Amy's favorite crossword puzzle author who is also a swimsuit model. •
Will Shortz as
Sam Jepson, a friend of Vin's who Jake suspects is behind a series of fires. •
Jay Chandrasekhar as himself, who gets conned into being the celebrity spokesperson for the pyramid scheme Nutriboom. •
Kirk Fox as
Kurt, Kate Peralta's ex-boyfriend. •
Reginald VelJohnson as himself, whom Charles hires for Jake's Bachelor Party to give a clue for their scavenger hunt but ends up being their designated driver. •
Blake Anderson as
Constantine Kane, a member of a rock band whom Amy once dated. He is still in love with Amy and takes a gig to perform at Jake's and Amy's wedding to try to win her back, but Amy burns the contract before it can happen. •
Akiva Schaffer as
Brett Booth, a 63rd Precinct detective who is running a task force which Peralta and Boyle both want to join, but Booth refuses them as he still holds Jake accountable for his visual impairment. •
Gina Rodriguez as
Alicia, a taxi driver and potential love interest for Rosa whom Terry tries to push towards. •
Kyle Gass as
Dario Moretti, a money launderer turned bomber whom Amy arrested. He attempted to ruin Jake's and Amy's nuptials by planting a bomb in the air vents of the recreation center on the day of their wedding. •
Daniel Di Tomasso and Robert Maffia as
Gio Costa, a well-mannered drug-running mafia boss whom Hitchcock and Scully apprehended in the 1980s. • Decker Sadowski and
Donna D'Errico as
Marisa Costa, ex-wife of criminal Gio Costa, who lives under a pseudonym as Donna, the manager of a Wing Slutz in
Marine Park. She worked as a
CI for Detectives Hitchcock and Scully in the mid-1980s and aided in the capture of her then-husband for his drug crimes. Hitchcock and Scully stole one of Gio Costa's bags of drug money to help protect her in her new identity, and frequently stopped by Wing Slutz thereafter to check in on Marisa's safety. •
Paul Rust as
Mikey Joseph, one of Jake's and Gina's former classmates who is still pursuing his high-school ambitions of making it as a
Ska bassist. •
Eugene Lee Yang as a staff member of The Manhattan Club, a bar which Jake and Gina visit. •
Mario Lopez as himself, who gets tricked into attending Gina's going away party only to be rejected. •
Nicole Byer as
Trudy Judy, Doug Judy's younger sister who succeeds him as the new "Pontiac Bandit" after discovering his notes. Despite going to prison in her first appearance, she is released early for good behavior and remains close with Doug. •
Rob Riggle as
Rob Dulubnik, an FDNY firefighter whom the Nine-Nine compete against to have control over Shaw's. •
Michael Mosley as
Franco McCoy, a detective of the
NYPD CSU. McCoy is self-enthusiastic to the point of arrogance and clashes with Peralta and Diaz at an 'unsolvable' crime scene. •
Karan Soni as
Gordon Lundt, a spy whom Commissioner Kelly sent to spy on Holt. He was trying to get the opening as the Civilian Administrator. •
Briga Heelan as
Keri Brennan, an expert in statistical arbitrage, who was sexually assaulted by her boss and decided to press charges in a "he said, she said" scenario. •
Jonathan Chase as
Seth Haggerty, a banker who sustained penile injuries at the hands of Brennan. • Richard Finkelstein and E.J. Callahan as
Ernest Zumowski aka
"The Disco Strangler", Holt's most infamous collar from his career as a detective, who was initially thought to be dead in a prison van accident. •
Ike Barinholtz as
Gintars Irbe, a Latvian
clothing counterfeiter who is Nikolaj's biological father. •
David Paymer as
William Tate, a therapist with a murdered client. He was investigated by Jake and Charles, and later revealed as the murderer. •
Julia Sweeney as
Pam, a patient in the hospital room next to where Jake and Amy are having their "
Casecation" and constantly is entering their room. •
Oliver Muirhead as
Wesley Allister, the dean of the classics department at the university Kevin works at, who thinks Captain Holt is not intelligent. •
Bob Stephenson as
Randy, a janitor at the university who stole the expensive coins and tried to frame another professor. • Sarah Claspell as
Heather, one of the uniformed officers under Santiago's command. •
Sean Astin as
Knox, a murder suspect who disguises himself as an NYPD sergeant to erase the evidence of his crime. • Travis Coles as
"Broadway" Brian Floomryde, a would-be performer who works as a civilian administrator in the records department of the 99th Precinct. Jeffords managed to convince Floomryde to quit his job to pursue his Broadway dreams so as to remain at the Precinct; however, after learning that he was vocally untalented and had a young family, Jeffords told Floomryde not to quit. •
Merrick McCartha as
Frank Murwin. •
Nicole Bilderback as
Julie Kim, the new Captain of the 99th Precinct for a day while Holt spends his time as a patrolman. She makes efforts to connect with everyone in the squad, further shown when she invited them to a party at her house. She views Holt as an inspiration for her police career, requesting to Wuntch to authorize her transfer to the 99 despite the latter's disdain for Holt. She quits after she finds out that Peralta is trying to dig up some dirt on her. •
Jim Rash as
Dr. Jones, Pimento's doctor who claims he is suffering from
anterograde amnesia when in reality, he is trying to kill Pimento since his wife hired Pimento to investigate if he was having an affair. •
Michael McDonald as
Adam Jarver, Wuntch's nephew. He initially pretends to be another nemesis to Wuntch at her memorial at his late aunt's request to expose Holt's insults toward her as a final attempt to ruin her rival's career, but Holt outsmarted both of them by throwing a fake memorial. •
J. K. Simmons as
Frank Dillman, a detective respected by Holt for his highly analytical approach. Despite his keen observational skills, he was fired by the NYPD and SFPD and worked part time at a Yarn Barn. •
Eva La Dare as
Captain Brenda Shawnks, the lead on the selection panel for the
NYPD Police Band. • Will Hines as
Carl Kurm, an
Assistant district attorney who tries to get Hitchcock & Scully punished for not taking down the name of a witness needed in court. •
Jon Gabrus as
Curt, a firefighter with the FDNY who responded to the 99's call when a blackout trapped Holt & Jeffords in an elevator, and later delivered Santiago's child. • Jill Basey as
Dotty, an elderly civilian who asks Peralta & Boyle for help during a blackout, only to constantly criticise them and later be arrested. •
Ellie Reed as
Kayla, a bachelorette whose
pedal pub is commandeered by Peralta & Boyle. • Brendan McNamara as
Russ, a suspected drunk-driver who stages a crash to cause a blackout. • Paul Witten as
Todd, a man Amy and Rosa set Holt up on a date with in an attempt to bring him closer to Kevin. •
Joanna Newsom as
Caroline Saint-Jacques Renard, the associate principal cellist for the Berlin Philharmonic whom Holt hired to perform during the final heist. == References ==