Main •
Steve Carell as
General Mark R. Naird, the Space Force's first
Chief of Space Operations •
John Malkovich as Dr. Adrian Mallory, Space Force chief scientist •
Ben Schwartz as F. Tony Scarapiducci, Space Force social media director •
Diana Silvers as Erin Naird, Mark's teenage daughter •
Tawny Newsome as
Captain Angela Ali, a Space Force helicopter pilot, and later, astronaut. In the final minutes of the last episode of season 2, she is promoted to
major. •
Jimmy O. Yang as Dr. Chan Kaifang, Dr. Mallory's lead assistant (season 2; recurring season 1) •
Don Lake as
Brigadier General Bradley Gregory, Naird's
executive officer (season 2; recurring season 1)
Recurring Military •
Noah Emmerich as General Kick Grabaston,
Chief of Staff of the United States Air Force •
Alexey Vorobyov (credited as
Alex Sparrow) as Captain Yuri "Bobby" Telatovich (), a
Russian Space Forces liaison with the Space Force,
spy, and illegitimate son of
Vladimir Putin •
Roy Wood Jr. as Colonel Bert Mellows,
U.S. Army liaison to the Space Force •
Jane Lynch as Admiral Mayweather,
Chief of Naval Operations •
Diedrich Bader as General Rongley,
Chief of Staff of the United States Army •
Patrick Warburton as General Dabney Stramm,
Commandant of the Marine Corps •
Larry Joe Campbell as Admiral Louis Biffoont,
Commandant of the Coast Guard • Spencer House as Duncan Tabner, a Space Force security guard from Alabama • Jamison Webb as Major Lee Baxter • Brandon Molale as Captain Clarke Luffinch, USAF
Politicians •
Dan Bakkedahl as John Blandsmith,
Secretary of Defense (Season 1) •
Ginger Gonzaga as Anabela Ysidro-Campos, credited and referred to as "the Angry Young Congresswoman" and also known as AYC, a parody of
Alexandria Ocasio-Cortez •
Concetta Tomei as Representative Pitosi, a parody of
Speaker of the House Nancy Pelosi •
Alan Blumenfeld as Senator Schugler, a parody of
Senate Majority Leader Chuck Schumer •
Tim Meadows as
Secretary of Defense (Season 2)
Scientists •
Jessica St. Clair as Kelly King, structural engineer and civil contractor • Thomas Ohrstrom as Dr. Vandeveld, an ESA representative from Belgium • Nancy Lantis as Dr. Wolf, a Canadian scientist •
Punam Patel as Dr. Ranatunga •
JayR Tinaco as Dr. Xyler
Family •
Fred Willard as Fred Naird, Mark's father (season 1) •
Lisa Kudrow as Maggie Naird, Mark's wife
Other •
Chris Gethard as Eddie Broser •
Landon Ashworth as Gabe Eli •
Owen Daniels as Obie Hanrahan •
Aparna Nancherla as Pella Bhat • Hector Duran as Julio Díaz-José • Carolyn Wilson as Louise Papaleo • Vivis Colombetti as Hilde • Amanda Lund as Anna • Marc Sully Saint-Fleur as Jean Baptiste Bosou • Scott Michael Morgan as Emmett Bunyan
Guest •
Rahul Nath as Dr. Chandreshekar •
Tommy Cook as Representative Bob White •
Asif Ali as Captain Dave Powers, USSF •
Michael Hitchcock as Jerome Lalosz •
Alice Wetterlund as Major Jane Pike, USSF •
Punkie Johnson as Staff Sergeant Kiki Rhodes, USSF •
Kaitlin Olson as Edison Jaymes, "an
Elizabeth Holmes-esque tech wiz" •
Janina Gavankar as Hannah Howard, Jaymes' social media manager • Bruce Locke as General Tsengjun, a Chinese general in the
People's Liberation Army •
Kelvin Han Yee as General Gao Xiaoling (), a Chinese general in the
People's Liberation Army and the
commander of
People's Liberation Army Strategic Support Force •
Megan Grano as Reporter No. 2 (Meredith) •
Jessica McKenna as Participant No. 2 •
Patton Oswalt as Captain Lancaster, an astronaut stationed in space (season 2) •
Terry Crews as General Aggroad, the new Air Force Chief of Staff (season 2) •
Tim Chiou as Dr. Lim, a Chinese astronaut (season 2) • Richard Ouyang as Dr. Zhang, Chinese chief scientist ==Episodes==