Millie Bobby Brown Michelle
Woody Harrelson Mr. Peanut (voice)
Anthony Mackie Herman (voice)
Chris Pratt Keats
Giancarlo Esposito Colonel Bradbury / The Marshall
Brian Cox Popfly (voice)
Alan Tudyk Cosmo (voice)
Stanley Tucci Ethan Skate
Patti Harrison Ligotti
Colman Domingo Wolfe (voice)
Holly Hunter Madeline Vance
Hank Azaria Perplexo (voice)
Rob Mars Stunts
Necar Zadegan Farah Bedi
Devyn Dalton Cosmo
Ke Huy Quan Dr. Amherst / P.C (voice)
Jenny Slate Penny Pal (voice)
Jason Alexander Ted / Wingman
Andy Muschietti Executive Producer
Stephen F. Windon Director of Photography
Randy James Beckman Stunts
Michael Trucco Ben Alcott
Mark Weinhandl Stunts
Marin Hinkle Ms. Sablinsky
Alan Silvestri Original Music Composer
Michael Li Stunt Coordinator
Joe Russo Director, Producer, Skeevy Bot (voice)
Kawui Joa Stunts
Billy Gardell Garbage Bot (voice)
Vince Pisani Science Professor
Anthony Russo Director, Producer
Rahul Kohli Miles Watlow
Woody Norman Christopher
Tuc Watkins Arthur Meadows
Stephen McFeely Screenplay, Executive Producer
Bob E. Krattiger Gaffer
Sarah Halley Finn Casting
Paul Sonski Set Designer
Adam Croasdell The Marshall / Taco Bot / Sentry Bot / Blitz
Terry Notary Mr. Peanut / Pop Fly / Sentre Drones / Ice Cream Bot / Skeeve Bot, Other
David Feinsilber Visual Effects Producer
Martin Klebba Herman / Milkman Bot
Bill Clinton Himself (archive footage) (uncredited)
Amanda Bianchi Key Makeup Artist
Jake Aust Executive Producer
Merle Dandridge News Anchor
Judianna Makovsky Costume Design
Chad Buehler Digital Compositor
Travis Gomez Stunts
Rudolf Weber Stunts
Nancy Pelosi Herself (archive footage) (uncredited)
Barbara Muschietti Executive Producer
Niko Nedyalkov Stunts
Terry James Stunts
Christopher Markus Screenplay, Executive Producer
Heikki Kossi Foley Artist
Patrick Newall Producer, Bumper Car Drone Pilot, Unit Production Manager
Anna Mercedes Mendez Stunts
Will Lyman Documentary Narrator (voice)
Rob Gronkowski Blitz (voice)
Aaron Becker Title Designer
Kurt Loder Kurt Loder
Gabrielle Maiden Penny Pal / Mrs. Scissors / Happy Pill Bot / Sentre Drones
Juan Peralta Sound Re-Recording Mixer
Kevin Cross Set Designer
Dean Grimes Stunts
Chris Castaldi Producer, Determined Drone Pilot, First Assistant Director
Greg Cromer Dad
James Young Stunt Coordinator
Manish Raval Music Supervisor
CC Ice Stunts
Jess Durham Stunts