Seth Green accepts mission to “Mars” Seth Green has signed up to star in Disney Picture “Mars Needs Moms,” an adaptation of the children’s novel by Berkeley Breathed. Simon Wells is directing the performance-capture movie, which follows a boy named Milo who stows away aboard a spaceship to rescue his mom after she’s kidnapped by aliens. Green will play Milo. The project, from Disney and filmmaker Robert Zemeckis, reunites Green with his ” Austin Powers ” mom, Mindy Sterling , who will play the alien leader of Mars, inspiring terror in all who meet her. Dan Fogler (Fanboys) is playing Gribble, a friend of Milo, and Joan Cusack (Confessions of a Shopaholic) plays the mom.