Susan Blakeslee Wanda Voice Daran Norris Cosmo Voice Tara Strong Timmy Turner Voice Jim Ward Chet Ubetcha Voice Carlos Alazraqui Denzel Crocker Voice Chris Kirkpatrick Chip Skylark Guest Voice Dusty Moon Background Singer Guest Voice Savannah Moon Background Singer Guest Voice Chelsea Moon Background Singer Guest Voice Frankie Muniz Chester McBadbat Guest Voice Ibrahim Muhammad A.J. Guest Voice Dee Bradley Baker Houston , Cell Phone Voice Guest Voice Butch Hartman Director, Writer Steve Marmel Writer Tim O'Rourke Writer