Eric Artell

as Charles

James Avery

as Uncle John

Maura Claire Barclay

as Little Girl

Dean Bates

as Young Charles

Barbara Beneville

as Mrs. Clayton

Wendy Calio

as Suzanne

Joe Costello

as Aaron

Steve Fogel

as Jude Martin Wilson

Gordon Goodman

as Lord Billiards

Allan Groves

as Nathaniel

Stan Harris

as The Sultan

Carter Jenkins

as Young Dex

David Kaye

as Dr. Marion Lefler

Lauren Kaye

as Sarah Allgood

Andrew Wei Lin

as Petree

Andrés López

as Morgan

Tina Majorino

as Sal

Michael Miranda

as Steven

Zuzana Monroe

as Ice Skater

Greg Neil

as Clay

Blake Neitzel

as Young Keith

Matt Orduna

as Seth

Keith Paugh

as Keith

Brian Petersen

as Dex

Rich Pulin

as Policeman

Connor Ross

as Young Clay

Aaron Ruell

as Donatello

Jeff Runyan

as NASA Dude

Nick Somers

as Student

Brett Hernandez Spackman

as NASA Newbie

Max States

as Young Steven

Jessica Stevenson

as Lacey

David C. Thompson

as Homeschool

Jasen Wade

as Cadet Nielson

Wendy Winters

as Lawyer

Michelle Wright

as Girlfriend

Chris Wyatt

as Ruben

Lloyd Kaufman

as Drive-Thru Customer