File:Ashly Burch (14703225936).jpg|Burch (Molly) File:DanaSnyder.jpg|Snyder (Scratch) File:Jordan Klepper (cropped).jpg|Klepper (Pete) File:Sumalee Montano by Gage Skidmore.jpg|Montano (Sharon and Grandma Nin) File:Michaela Dietz at the Florida Supercon 2016 (4) (cropped).jpg|Dietz (Darryl) File:Lara Jill Miller 03.jpg|Miller (Libby)
McGee family •
Molly McGee (voiced by
Ashly Burch) is an optimistic 13-year-old
Stein-Torres (voiced by
Pamela Adlon) is Libby's mother, with whom she has a close bond. She is the "#1 fan" of her own daughter. Ms. Stein-Torres owns a bookstore called Book Marks the Spot.
Davenport family •
Andrea Davenport ( ; voiced by Jules Medcraft) is Molly's rival turned self-proclaimed BFF. She is very sensitive about how her first name is pronounced and she is the most popular girl at school. Despite her success, she seems unhappy at times, desperately craving the attention of her busy parents. As the series progresses, Andrea is shown to be more caring of other people, such as "Home is Where the Haunt is", when she started a
fund to save the McGees' house, considering Molly as her BFF, as well as "Davenport's on Demand", when she shut down her app after learning that it was threatening other businesses; and "Davenport's in Demise", when she learned that her online personality should be her true personality and that she should take a break from social media. (voiced by
Thomas Lennon) is the owner of a local department store and Andrea's conceited and self-entitled father who is obsessed with social media. •
Dorothea Davenport (voiced by
Jessica Keenan Wynn) is Maxwell's wife and Andrea's mother.
Ghosts •
Scratch (voiced by
Dana Snyder) is a grumpy and gluttonous ghost who accidentally cursed himself to be alongside Molly for all eternity. He isn't seen by any humans except the McGee family, Libby (since the episode "Scratch the Surface"), Ollie (since the episode "Frightmares on Main Street"), June (since the episode "Welcome to NecroComic-Con"), Ruben, and Esther (since the episode "Jinx vs. the Human World"). His job was to scare people as assigned by the Ghost Council (until "The Jig Is Up/Molly vs. The Ghost World"), but he liked spending his time being with Molly instead. family of
ghost hunters introduced in Season 2. •
Oliver "Ollie" Chen (voiced by
Alan Lee) is Molly's boyfriend and the older brother of June. Ollie is the research specialist of their ghost hunting. He is also a vegetarian. He found out about Scratch's existence in "I Wanna Dance with Some-Ollie", and befriended him after realizing that not all ghosts are bad in "Frightmares on Main Street". •
Juniper "June" Chen (voiced by
Sue Ann Pien) is Ollie's younger sister and an inventor. She is
autistic, as is her voice actress, and has a habit of brutal honesty. She is the technology specialist of her family and uses her many inventions to aid in their ghost-hunting. "Frightmares on Main Street" hints that she may have caught on to Ollie's secret friendship with Scratch, and the power Scratch may possess. She eventually found out about Scratch's existence in "Welcome to NecroComic-Con" and has developed a more positive view of ghosts since then. •
Esther Chen (voiced by
Stephanie Sheh) is Ollie and June's mother. Esther is in charge of the video and graphics with their ghost hunting. •
Ruben Chen (voiced by
Leonard Wu) is Ollie and June's father. Ruben is the lead investigator of their ghost hunting, having taken up the profession after an encounter with Geoff in his childhood.
Other Brighton citizens Source: •
Sheela (voiced by
Aparna Nancherla) is Molly's geeky friend. is a teacher at Brighton Middle School. She has a wife, Pam, mentioned in "No Good Deed". •
Patty (voiced by
Jenifer Lewis) is an elder resident who quickly befriends Molly. •
Mayor Brunson (voiced by
Patton Oswalt) is Brighton's mayor. • '''Principal O'Connor''' (voiced by
Eugene Byrd) is Brighton Middle School's principal. Though well-meaning, his uptight nature does not endear him to the students, and he is frequently made the butt of Darryl's pranks. •
Irving the Illusionist (voiced by
Trevor Devall) is a street magician who gets a thrill out of bewildering any passerby who sees him with his sleight of hand which mainly involves cards, coins and confetti. •
Weird Larry (voiced by Trevor Devall) is a pawn shop owner whose eccentric ways tend to freak out anybody on account that he tends to ask for help with the uncomfortable favors such as the time he needed help finding and catching his beloved runaway pet skunk Vera. •
Joanie Pataky (voiced by
Grey Griffin) is Brighton's news reporter. •
Bobby Daniels (voiced by
Danny Trejo) •
Adia Williams (voiced by
Kimberly Brooks) is Scratch's first best friend when he was alive, during a moment she moved away from Brighton. Adia appears through Scratch's memories in "A Soda to Remember" and "All in the Mind". In the series finale, she appears via a video call with Molly, and in the final moments of the series, she reunites with Scratch/Todd in his new life.
Guest stars • '''Howlin' Harriet''' (voiced by
Eden Riegel) appears in "Howlin' Harriet". •
Tammy Myers (voiced by Chandler Kinney) appears in "The (Un)natural". •
Kenny Star (voiced by
Tom Kenny) appears in "Getting the Band(shell) Back Together" and "Kenny's Falling Star". •
Greta Gerwig (voiced by herself) appears in "Hooray for Mollywood!". •
Uncle Ted (voiced by
Yuri Lowenthal) appears in "Mazel Tov, Libby!". •
Eva Hernandez (voiced by
Alanna Ubach) appears in "The Turnip Twist". •
Dianne (voiced by
Yvette Nicole Brown) appears in "The Turnip Twist/All Systems No" and "Web of Lies/Kenny's Falling Star". •
Sonia Davis (voiced by Alanna Ubach) appears in "Ice Princess". •
Billy McGee (voiced by John DiMaggio) appears in "Twin Trouble". •
Jilly McGee (voiced by
Marieve Herington) appears in "Twin Trouble". •
Totes (voiced by Sumalee Montano) appears in "Goat Your Own Way". •
Pango (voiced by
D'Arcy Carden) appears in "Scare Tactics". •
Reggie (voiced by
Sean Giambrone) appears in "The Internship". •
Candace Green (voiced by
Natasha Rothwell) appears in "Out of House and Home/Home is Where the Haunt Is". •
Lord Doom (voiced by
W. Earl Brown) appears in "A Doll to Die For/The (After)life of the Party". •
Blair (voiced by
Kimberly J. Brown) appears in "The Unhaunting of Brighton Video/100% Molly McGee". •
JR (voiced by
Jim Rash) appears in "Like Father Like Libby/Dance Dad Revolution". •
Calvin Redtop (voiced by
Tony Hale) appears in "Kenny's Falling Star". •
Rad Pham (voiced by
Andrew Phung) appears in "Let's Play Turnipball!", "The Ghost IS Molly McGee" and "Fit to Print". •
Winnie Fiama (voiced by
Lennon Parham) appears in "Fit to Print". ==Episodes==