On screen
Cast
38 credited performers
Milo Coy
Stan
Jack Black
Grown Up Stan (voice)
Lee Eddy
Mom
Bill Wise
Dad
Natalie L'Amoreaux
Vicky
Josh Wiggins
Steve
Jessica Brynn Cohen
Jana
Sam Chipman
Greg
Danielle Guilbot
Stephanie
Zachary Levi
Kranz
Glen Powell
Bostick
Larry Jack Dotson
Grandfather
Mona Lee Fultz
Grandmother #1
Jennifer Griffin
Grandmother #2
Holt Boggs
Sam The Rocket Man
Artwork unavailable
Reese Armstrong
Tony
Artwork unavailable
Natalie Joy
Music Class Teacher
Artwork unavailable
Suzanne Deal Booth
Science Teacher
Artwork unavailable
Chris Olson
Principal Cowan
Samuel Davis
Pinball Buyer
Artwork unavailable
Mia Gonzalez
Statue-Maker Kid
Brian Villalobos
Bales
Chris Zurcher
Jack
Artwork unavailable
Alex Fink
Kid on Astroway
Artwork unavailable
Zia Kinzy
Young Lady on Astroway
David DeLao
Mr. St. George
Artwork unavailable
Noah Randall
Drive-In Employee
Artwork unavailable
Athena Wintle
Mindy
Artwork unavailable
Xavier Patterson
Emanuel
Nick Stevenson
SIMSUP
Artwork unavailable
William Carroll
Abominable Snowman
Avery Joy Davis
Lisa (uncredited)
Christian Moran
Hoodlum (uncredited)
Artwork unavailable
Nicholas Andrew Rice
NASA Controlman (uncredited)
Keslee Blalock
AstroWorld Kid (uncredited)
Artwork unavailable
Brent A. Riggs
Service Station Attendant (uncredited)
P. Michael Hayes II
SIMSUP (uncredited)
Artwork unavailable
Flint Nattinger
Laughing Boy (uncredited)