Ben Stiller Sam Sweet, Stan Sweet Director, Actor Jim Carrey Cable Guy Actor Matthew Broderick Steven M. Kovacs Actor Leslie Mann Robin Harris Actor Jack Black Rick Actor George Segal Steven's Father Actor Diane Baker Steven's Mother Actor Harry O'Reilly Steven's Boss Actor Misa Koprova Heather Actor Eric Roberts Self Janeane Garofalo Medieval Times Waitress Actor Andy Dick Medieval Times Host Actor Lou Holtz Jr. Screenwriter Andrew Licht Producer Jeffrey A. Mueller Producer Judd Apatow Producer Bernie Brillstein Executive Producer Brad Grey Executive Producer Marc Gurvitz Executive Producer Robert Brinkmann Cinematographer Steven Weisberg Film Editing John Ottman Original Music