Hilary Duff
Teresa 'Terri' Fletcher
Oliver James
Jay Corgan
David Keith
Simon Fletcher
Johnny Lewis
Engelbert "Kiwi" Wilson
Rita Wilson
Francis Fletcher
Dana Davis
Denise Gilmore
Lauren C. Mayhew
Robin Childers
Kat Dennings
Sloane
Jason Ritter
Paul Fletcher
Rebecca De Mornay
Nina Fletcher
John Corbett
Mr. Torvald
James Avery
Mr. Gantry
Davida Williams
Lauren
Carly Reeves
Kelly
Robert Trebor
Mr. Wesson
T.J. Thyne
Emcee
Judith Hill
Pianist (uncredited)
Sean McNamara
Doctor Mark Farley (as Sean Patrick McNamara)
Fred Meyers
Matthew