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