Rob Cohen Director Ray Liotta Frank Sinatra Actor Joe Mantegna Dean Martin Actor Don Cheadle Sammy Davis, Jr. Actor Angus Macfadyen Peter Lawford Actor William Petersen John F. Kennedy Actor Bobby Slayton Joey Bishop Actor Željko Ivanek Bobby Kennedy Actor Robert Guy Miranda Momo Giancana Actor Todd Susman Actor Tyrees Allen George Jacobs Actor Peter Iacangelo Johnny Actor Greg Lipari Sr. Jimmy Actor Veronica Cartwright Rocky Cooper Actor Megan Dodds May Britt Actor Barbara Niven Marilyn Monroe Actor John Diehl Joe DiMaggio Actor Dan O'Herlihy Joe Kennedy Actor Alan Woolf Mickey Cohen Actor Joe Cortese Johnny Roselli Actor Deborah Kara Unger Actor Dey Young Jeanne Martin Actor Tom Dreesen Self Mary Cadorette Betty Actor Lewis Saunders Big John Actor Michelle Grace Judy Campbell Actor Phyllis Lyons Pat Kennedy Lawford Actor Charles Walker Jefferson Actor Michael Townsend Walter Winchell Actor Neal H. Moritz Executive Producer Fred C. Caruso Producer Stokely Chaffin Producer Tom Horn Producer Mark Adler Original Music Shane Hurlbut Cinematographer Eric A. Sears Film Editing Nancy Foy Casting Hilda Stark Production Design Kathleen M. McKernin Art Director Maureen Osborne Set Decoration Linda Spheeris Set Decoration Jodie Lynn Tillen Costume Design