Apollo 10½: A Space Age Childhood

Jack Black

Grown Up Stan (voice)

David DeLao

Mr. St. George

Zachary Levi

Kranz

Bill Wise

Dad

Mona Lee Fultz

Grandmother #1

Holt Boggs

Sam The Rocket Man

Glen Powell

Bostick

Jennifer Griffin

Grandmother #2

Josh Wiggins

Steve

Samuel Davis

Pinball Buyer

Lee Eddy

Mom

Larry Jack Dotson

Grandfather

Chris Zurcher

Jack

Nick Stevenson

SIMSUP

Brian Villalobos

Bales

Keslee Blalock

AstroWorld Kid (uncredited)

Danielle Guilbot

Stephanie