Trailer
Cast
Seth Green
Milo (performance capture)
Joan Cusack
Mom (voice)
Dan Fogler
Gribble (voice)
Raymond Ochoa
Martian Hatchling (voice)
Kevin Cahoon
Wingnut
Stephen Kearin
Martian
Mindy Sterling
Supervisor (voice)
Robert Ochoa
Martian Hatchling (voice)
Ryan Ochoa
Martian Hatchling (voice)
Amber Gainey Meade
Martian
Jacquie Barnbrook
Martian
Breckin Meyer
Alien (voice)
Elisabeth Harnois
Ki (voice)
Tom Everett Scott
Milo's Dad (voice)
Dee Bradley Baker
Two-Cat (uncredited)
Matthew Henerson
Martian