Casey Newton
Frank Walker
Athena
David Nix
Eddie Newton
Frank's Dad
Young Casey Newton
Ursula
Hugo
Young Frank Walker
Nate Newton
Dave Clark
Jenny Newton
Bus Driver
Small World Operator
Skyscraper Foreman
History Teacher
Science Teacher
English Teacher
Beefy Cop
Jail Desk Jockey
Jail Punk
Jetpack Dexter
Jetpack Buddy
Monorail Mother
Young Astronaut
Astronaut's Father
Astronaut's Mother
Pickup Driver
Police Captain
Deputy
Eiffel Tower Guard #1
Eiffel Tower Guard #2
Pierre Clark
Jensen
Tough Guard
Young British Recruiter
Guitar Player
GM Plant Worker
Haitian Woman
Thick Glasses (uncredited)
DQ Patron (uncredited)
Hero Bus Patron (uncredited)
World's Fair Patron (uncredited)
Dave Clark #7 (uncredited)
Guest (uncredited)
Pedestrian (uncredited)
World's Fair Lady (uncredited)
PewDiePie (uncredited)
Mikey (uncredited)
1964 World's Fair Boy (uncredited)
Handsome Harry (uncredited)
Harry's Girlfriend (uncredited)
Justin (uncredited)
Pierre Clark (uncredited)
Gentleman - 1964 World Fair (uncredited)
Neighbor (uncredited)
Lonely Man (uncredited)
Nix Six (Scientist Financier) (uncredited)
Alice (uncredited)
Greyhound Girl (uncredited)
Dave Clark #1 (uncredited)
Donnie / Science Kid (uncredited)
Dave Clark Henchman (uncredited)
1964 World's Fair Patron (uncredited)
Nix Six (uncredited)
1964 World's Fair Attendee (uncredited)
Driver (uncredited)
Betsy (uncredited)
Motorist (uncredited)
Young Attendee (uncredited)
Young Casey (uncredited)
Uncle Anthony (uncredited)
Functionary (uncredited)
Dick Clark #2 (uncredited)
1964 World Fair Girl (uncredited)
Woman in Car (uncredited)
Game Warden (uncredited)
Max / Louis (uncredited)
Pilot (uncredited)
Economics Teacher (uncredited)