When Martians suddenly abduct his mom, mischievous Milo rushes to the rescue and discovers why all moms are so special.
Seth Green
Milo (performance capture)
Seth Robert Dusky
Milo (voice) (as Seth Dusky)
Joan Cusack
Mom (voice)
Dan Fogler
Gribble (voice)
Breckin Meyer
Alien (voice)
Elisabeth Harnois
Ki (voice)
Tom Everett Scott
Milo's Dad (voice)
Mindy Sterling
Supervisor (voice)
