Mars Needs Moms

Seth Green

as Milo (performance capture)

Seth Robert Dusky

as Milo (voice) (as Seth Dusky)

Joan Cusack

as Mom (voice)

Dan Fogler

as Gribble (voice)

Breckin Meyer

as Alien (voice)

Elisabeth Harnois

as Ki (voice)

Tom Everett Scott

as Milo's Dad (voice)

Mindy Sterling

as Supervisor (voice)

Julene Renee

as Martian (voice)

Raymond Ochoa

as Martian Hatchling (voice)

Robert Ochoa

as Martian Hatchling (voice)

Ryan Ochoa

as Martian Hatchling (voice)

Amber Gainey Meade

as Martian

Dee Bradley Baker

as Two-Cat (uncredited)

Adam Jennings

as Martian

Aaron Rapke

as Martian

Jacquie Barnbrook

as Martian

Kevin Cahoon

as Wingnut

Kirsten Severson

as Martian

Matthew Henerson

as Martian

Stephen Kearin

as Martian