Gil Kenan Director Steve Buscemi Nebbercracker Voice Maggie Gyllenhaal Zee Voice Mitchel Musso DJ Voice Spencer Locke Jenny Voice Sam Lerner Chowder Voice Jon Heder Skull Voice Kevin James Officer Landers Voice Jason Lee Bones Voice Catherine O'Hara DJ's Mom Voice Kathleen Turner Constance Voice Fred Willard DJ's Dad Voice Matthew Fahey Ryan Voice Nick Cannon Officer Lister Voice Ron Schrab Writer Dan Harmon Writer Pamela Pettler Writer Robert Zemeckis Executive Producer Steven Spielberg Executive Producer Jason Clark Executive Producer Jack Rapke Producer Steve Starkey Producer Xavier Grobet Cinematographer Paul C. Babin Cinematographer Adam P. Scott Film Editor Fabienne Rawley Film Editing Douglas Pipes Original Music Ed Verreaux Production Design Norman Newberry Art Director Greg Papalia Art Director Kate Sullivan Set Decoration Ruth Myers Costume Design Scot Boland Casting Victoria Burrows Casting