Britt Robertson
Role: Casey Newton
George Clooney
Role: Frank Walker
Raffey Cassidy
Role: Athena
Hugh Laurie
Role: David Nix
Tim McGraw
Role: Eddie Newton
Chris Bauer
Role: Frank's Dad
Shiloh Nelson
Role: Young Casey Newton
Keegan-Michael Key
Role: Hugo
Thomas Robinson
Role: Young Frank Walker
Pierce Gagnon
Role: Nate Newton
Matthew MacCaull
Role: Dave Clark
Judy Greer
Role: Jenny Newton
Matthew Kevin Anderson
Role: Bus Driver
Michael Giacchino
Role: Small World Operator
D. Harlan Cutshall
Role: Skyscraper Foreman
Xantha Radley
Role: History Teacher
David Nykl
Role: Science Teacher
Paul McGillion
Role: English Teacher
Pearce Visser
Role: Beefy Cop
Garry Chalk
Role: Jail Desk Jockey
Dagan Nish
Role: Jail Punk
Yusuf A. Ahmed
Role: Jetpack Dexter
Alex Barima
Role: Jetpack Buddy
Jedidiah Goodacre
Role: Jetpack Buddy
Kate Crutchlow
Role: Monorail Mother
Priya Rajaratnam
Role: Young Astronaut
Parm Soor
Role: Astronaut's Father
Leena Manro
Role: Astronaut's Mother
Rick Pearce
Role: Pickup Driver
Tom Butler
Role: Police Captain
Patrick Sabongui
Role: Eiffel Tower Guard #1
Romuald Hivert
Role: Eiffel Tower Guard #2
Mathieu Lardier
Role: Pierre Clark
Fraser Corbett
Role: Jensen
Darren Shahlavi
Role: Tough Guard
Aidan Gemme
Role: Young British Recruiter
Takayuki Oki
Role: Guitar Player
Natasha Davidson
Role: GM Plant Worker
Liliane Leilan Juma
Role: Haitian Woman
Paul Anthony
Role: Thick Glasses (uncredited)
Kenia Arias
Role: DQ Patron (uncredited)
Kimberly Arklie
Role: Hero Bus Patron (uncredited)
Nicholas Barrera
Role: World's Fair Patron (uncredited)
Barbara Keegan
Role: World's Fair Patron (uncredited)
Jason Bell
Role: Dave Clark #7 (uncredited)
Wendy Bell
Role: Guest (uncredited)
Aimee Bowen
Role: Pedestrian (uncredited)
Chrystall Friedemann
Role: World's Fair Lady (uncredited)
PewDiePie
Role: PewDiePie (uncredited)
Darien Provost
Role: Mikey (uncredited)
Jackson Tessmer
Role: 1964 World's Fair Boy (uncredited)
Marcus Rosner
Role: Handsome Harry (uncredited)
Julie Johnson
Role: Harry's Girlfriend (uncredited)
Marshall Archibald
Role: Justin (uncredited)
Clint Carleton
Role: Pierre Clark (uncredited)
Luis Castilleja
Role: Gentleman - 1964 World Fair (uncredited)
Ellen Marguerite Cullivan
Role: Neighbor (uncredited)
Leslie Danielsen
Role: DQ Patron (uncredited)
Michael Ray Davis
Role: Lonely Man (uncredited)
Peter Dwerryhouse
Role: Nix Six (Scientist Financier) (uncredited)
Lindsey Elizabeth
Role: Alice (uncredited)
Amy Esterle
Role: Greyhound Girl (uncredited)
Monique Ganderton
Role: Dave Clark #1 (uncredited)
Glen Gordon
Role: Donnie / Science Kid (uncredited)
Kory Grim
Role: Dave Clark Henchman (uncredited)
Robert Peoples
Role: Pedestrian (uncredited)
Anthony J. James
Role: DQ Patron (uncredited)
Tomas Johansson
Role: 1964 World's Fair Patron (uncredited)
Kenneth Kantymir
Role: Nix Six (uncredited)
Andrew Kerr
Role: 1964 World's Fair Attendee (uncredited)
Joshua Lagos
Role: Neighbor (uncredited)
Tommy Lentsch
Role: Driver (uncredited)
Laura MacKillop
Role: Betsy (uncredited)
Grae Marino
Role: Motorist (uncredited)
Catherine Michaud
Role: Young Attendee (uncredited)
Jaeda Lily Miller
Role: Young Casey (uncredited)
Lochlyn Munro
Role: Uncle Anthony (uncredited)
Aliyah O'Brien
Role: Functionary (uncredited)
Eddie Perez
Role: Dave Clark #2 (uncredited)
Marc Primiani
Role: World's Fair Patron (uncredited)
Kinley Rice
Role: 1964 World Fair Girl (uncredited)
Kelly Riese
Role: Woman in Car (uncredited)
Robin T. Rose
Role: Game Warden (uncredited)
Bruce Salomon
Role: Max / Louis (uncredited)
Ranjit Samra
Role: Pilot (uncredited)
Manoj Sood
Role: Economics Teacher (uncredited)
