Cast of Mars Needs Moms

Seth Green voices the character Milo.

Joan Cusack provides the voice for the character Mom.

Dan Fogler lends his voice to the character Gribble.

Breckin Meyer voices the character Alien.

Elisabeth Harnois provides the voice for the character Ki.

Tom Everett Scott voices the character Milo's Dad.

Mindy Sterling lends her voice to the character Supervisor.

Julene Renee voices the character Martian.