George Clooney Frank Walker
Kathryn Hahn Ursula
Judy Greer Jenny Newton
Hugh Laurie David Nix
Lochlyn Munro Uncle Anthony (uncredited)
Keegan-Michael Key Hugo
Britt Robertson Casey Newton
Raffey Cassidy Athena
Chris Bauer Frank's Dad
Brad Bird Producer, Director, Story, Screenplay
Tim McGraw Eddie Newton
Damon Lindelof Producer, Story, Screenplay
Patrick Sabongui Eiffel Tower Guard #1
Jedidiah Goodacre Jetpack Buddy
Michael Giacchino Original Music Composer, Small World Operator
Matthew Kevin Anderson Bus Driver
Jaeda Lily Miller Young Casey (uncredited)
Matthew MacCaull Dave Clark
Marcus Rosner Handsome Harry (uncredited)
Erik Messerschmidt Gaffer
Pierce Gagnon Nate Newton
Garry Chalk Jail Desk Jockey
Shiloh Nelson Young Casey Newton
Monique Ganderton Stunts, Dave Clark #1 (uncredited)
David Nykl Science Teacher
Claudio Miranda Director of Photography
Walter Murch Editor
Gary Rydstrom Sound Re-Recording Mixer
Owen Walstrom Stunts
Ed Anders Stunts
BJ McDonnell Steadicam Operator
Tom Butler Police Captain
Pamela Cameron Set Costumer
Thomas Robinson Young Frank Walker
Paul McGillion English Teacher
Robert Alonzo Stunt Coordinator
Aliyah O'Brien Functionary (uncredited)
Krista Bell Stunt Double
Darren Shahlavi Tough Guard
Paul Anthony Thick Glasses (uncredited)
Loyd Bateman Stunts
Jason Bell Stunts, Dave Clark #7 (uncredited)
Priya Rajaratnam Young Astronaut
Jeff Jensen Story
Garvin Cross Stunts
Eddie Perez Dave Clark #2 (uncredited)
Tim Perez Deputy
Alex Levy Music Editor
Darien Provost Mikey (uncredited)
Jeffrey Kurland Costume Design
Charles Leitrants Construction Coordinator
Alex Barima Jetpack Buddy
Teresa Eckton Foley
Ara Khanikian Visual Effects Supervisor
Chris Castaldi First Assistant Director
Jennifer Page Casting
Tex Kadonaga Set Designer
Luke Freeborn Art Direction
Xantha Radley History Teacher
Janene Carleton Stunts
Fraser Corbett Jensen
Pascal Garneau Foley
Donald Dowd Technical Advisor
Joey Box Stunt Coordinator
Juan Peralta Sound Re-Recording Mixer
Corinne Clark Casting
Felix Kjellberg PewDiePie (uncredited)
James Harris Construction Coordinator
Clint Carleton Pierre Clark (uncredited), Stunt Double
Alyson Dee Moore Foley
Gwendolyn Yates Whittle Supervising Sound Editor
Romuald Hivert Eiffel Tower Guard #2