John Whitesell Director Jason Priestley Roy Darpinian Actor Gabriel Olds Ned Bleuer Actor Jerry O'Connell Scott Foreman Actor Joe Pantoliano Harvey Darpinian Actor Steve Railsback Roy's Father Actor Kurt Fuller Arturo Gallo Actor Stephen Tobolowsky Antonio Gallo Actor Emily Warfield Becky O'Brien Actor Maxwell Caulfield Man in Bathrobe Actor Stephanie Anderson Marilyn Monroe Actor Chubby Checker Self Cortney Page Monroe's voice Actor Paul W. Shapiro Screenwriter Gary Marsh Producer Penny Marshall Executive Producer Elliot Abbott Executive Producer Debbie Robins Producer Hans Zimmer Original Music Tom Priestley Jr. Cinematographer Wendy Greene Bricmont Film Editing Bill Groom Production Design Sarah Knowles Art Director Lynn Wolverton-Parker Set Decoration