Chris Wedge Director, Producer Carlos Saldanha Director Ewan McGregor Rodney Copperbottom Voice Halle Berry Cappy Voice Robin Williams Fender Voice Greg Kinnear Ratchet Voice Mel Brooks Big Weld Voice Drew Carey Lugnut Voice Jim Broadbent Madame Gasket Voice Amanda Bynes Piper Voice Jennifer Coolidge Aunt Fanny Voice Stanley Tucci Tucci Voice Dianne Wiest Mrs. Copperbottom (voice) Voice Paul Giamatti Crank Voice Natasha Lyonne Loretta Geargrinder Voice Terry Bradshaw Broken Arm Bot Voice Dan Hedaya Mr. Gunk Voice James Earl Jones Voice box at hardware store Voice Jay Leno Fire Hydrant Voice Al Roker Mailbox Voice Stephen Tobolowsky Bigmouth, Executive, Forge Voice Harland Williams Lug Voice Lucille Bliss Pigeon Lady Voice Dylan Denton Youngest Rodney Voice Lowell Ganz Screenwriter Babaloo Mandel Screenwriter William Joyce Executive Producer Terry Davis Associate Producer John C. Donkin Associate Producer John Carnochan Film Editing Steve Martino Art Director Sean Garahart Sound Christian Kaplan Casting