Britt Robertson as Casey Newton
Tim McGraw as Eddie Newton
Chris Bauer as Frank's Dad
Thomas Robinson as Young Frank Walker
Matthew MacCaull as Dave Clark
Matthew Kevin Anderson as Bus Driver
D. Harlan Cutshall as Skyscraper Foreman
Shiloh Nelson as Young Casey Newton
Xantha Radley as History Teacher
David Nykl as Science Teacher
Paul McGillion as English Teacher
Pearce Visser as Beefy Cop
Yusuf A. Ahmed as Jetpack Dexter (as Yusuf Ahmed)
Alex Barima as Jetpack Buddy
Jedidiah Goodacre as Jetpack Buddy
Kate Crutchlow as Monorail Mother
Priya Rajaratnam as Young Astronaut (as Priya Rajarathnam)
Parm Soor as Astronaut's Father
Leena Manro as Astronaut's Mother
Rick Pearce as Pickup Driver
Tim Perez as Deputy (as Timothy Paul Perez)
Patrick Sabongui as Eiffel Tower Guard #1
Romuald Hivert as Eiffel Tower Guard #2
Mathieu Lardier as Pierre Clark
Darren Shahlavi as Tough Guard
Aidan Gemme as Young British Recruiter
Takayuki Oki as Guitar Player
Natasha Davidson as GM Plant Worker
Liliane Leilan Juma as Haitian Woman (as Liliane Leila Juma)
Radin Farvargan as Science Kid
Glen Gordon as Donnie - Science Kid
Rachael Hudson as Science Kid
Julie Johnson as Harry's Girlfriend
Jaeda Lily Miller as Young Casey
Lochlyn Munro as Uncle Anthony
Marcus Rosner as Handsome Harry
Madison Simms as Clarissa
Lara Spencer as Art Heist Reporter
Unknown as Casey's Baby Cousin
Ferrandiz Montero Alex as Citizen
Dilani Andrews as Nix Six
Marshall Archibald as Justin
Kimberly Arklie as Hero Bus Patron
Neil Armstrong as Himself (Voice) (Archive Sound)
Nicholas Barrera as World's Fair Patron
Jason Bell as Secret Service Agent
Aimee Bowen as Pedestrian
Bradley Bowen as Gentleman - 1964 World Fair
Luis Castilleja as Gentleman - 1964 World Fair
Melissa Chandler as Pedestrian
Kelly Colbourne as Woman in Car
Maximilian Corrientes as Pedestrian
Ellen Marguerite Cullivan as Neighbor
Gracie Danielsen as DQ Patron
Leslie Danielsen as DQ Patron
Luke Danielsen as DQ Patron
Michael Ray Davis as Lonely Man
Peter Dwerryhouse as Nix Six
Lindsey Elizabeth as Alice
Amy Esterle as Greyhound Girl
Chrystall Friedemann as World's Fair Lady
Rebecca Georgelin as Economics Student
Kory Grim as Secret Service Henchman
Matthew Hoglie as World's Fair Patron
Rachael Hudson as Science Kid #1
Raiden Integra as Pedestrian
Anthony J. James as DQ Patron
Tomas Johansson as 1964 World's Fair Patron
Kenneth Kantymir as Nix Six
Alexandria Kayy as Ballerina
Barbara Keegan as World's Fair Patron
Andrew Kerr as 1964 World's Fair Attendee
Felix Kjellberg as PewDiePie
Wendy Klassen as Neighbor
Jayden Linkletter as World's Fair Patron
Kristin Linkletter as Fair Patron
Douglas Lopez as Street Patron
Alexander Lu as Bystander
Aaron Maltzman as Pedestrian
Melinda McDonner as 1964 Woman
Scott Mena as Bus Stop Patron
Catherine Michaud as Young Attendee
Aliyah O'Brien as Functionary
Eddie Perez as Secret Service Henchman
Kinley Rice as 1964 World Fair Girl
Christa Rivington as 1964 World Trade Fair Waitress
Robin T. Rose as Game Warden
Brooke Spurling as Casey's Friend
Jimmy Star as World's Fair Patron
Georgie-May Tearle as Civilian
Stephanie Wiese as Nix Six