Robert Vince Director, Writer, Producer Diedrich Bader Yuri Actor Jason Earles Spudnick Voice Liliana Mumy Rosebud Voice Josh Flitter Budderball Voice Lochlyn Munro Slats Actor Bill Fagerbakke Pi Actor Field Cate Buddha Voice Ali Hillis Astro Actor Kevin Weisman Dr. Finkel Actor Quinn Lord Pete Actor Skyler Gisondo B-Dawg Voice Henry Hodges Mudbud Voice Amy Sedaris Gravity Voice Anna McRoberts Writer, Producer Kevin DiCicco Writer Brahm Wenger Original Music Kamal Derkaoui Cinematographer Kelly Herron Film Editing Phil Schmidt Production Design Martina Javorova Art Director Barry Kemp Set Decoration Allisa Swanson Costume Design Jackie Lind Casting Lorna Johnson Casting