Michael Lembeck Director Dwayne Johnson Derek Actor Ashley Judd Carly Actor Stephen Merchant Tracy Actor Ryan Sheckler Mick Donnelly Actor Seth MacFarlane Ziggy Actor Julie Andrews Lily Actor Chase Ellison Randy Actor Destiny Whitlock Tess Actor Brandon T. Jackson Duke Actor Dan Joffre Tooth Fairy No. 1 Actor Ellie Harvie Permit Woman Actor Barclay Hope Coach Actor Michael Daingerfield Announcer Actor Dale Wolfe Color Commentator Actor Josh Emerson Kyle Actor Steve Bewley Brad Actor Brendan Penny Josh Actor Lee Tichon Andreas Actor Darien Provost Gabe Actor David Quinlan Gabe's Dad Actor Jill Morrison Shelter Cove Mom Actor Juno Rinaldi Sally Actor Rukiya Bernard Amnesia Woman Actor Candus Churchill Amnesia Grandma Actor BJ Harrison Amnesia Aunt Actor Alvin Sanders Amnesia Uncle Actor Matt Ward Amnesia Nephew Actor Nicholas Carella Poltergeist Man Actor Nicole Muñoz Kelly Actor Brendan Meyer Ben Actor Daniel Bacon Fan Actor Derek Gilroy Crazed Fan Actor Lowell Ganz Screenwriter Babaloo Mandel Screenwriter Joshua Sternin Screenwriter Jeffrey Ventimilia Screenwriter Jennifer Ventimilia Screenwriter Randi Mayem Singer Screenwriter Jason Blum Producer Mark Ciardi Producer Gordon Gray Producer Jim Piddock Executive Producer David Tattersall Cinematographer David Finfer Film Editing Marcia Hinds Production Design George S. Clinton Original Music Bo Johnson Art Director Michael N. Wong Art Director Mary-Lou Storey Set Decoration Angus Strathie Costume Design Heike Brandstatter Casting Coreen Mayrs Casting Mindy Marin Casting