 | William McNamara als Mike |
 | Maria Pitillo als Maggie |
 | Tom Conti als Monsignor Calogero |
 | Maria Schneider als Maria Faccino |
 | Ian Bannen als Don Pozzi |
 | Robert Wagner als Brad |
 | Roddy McDowall als Gambler |
 | William Hootkins als Car Dealer |
 | Jill St. John als Dr. Joanne Anderson |
 | Craig Vincent als Big Guy |
 | Osvaldo Alzari als Photographer |
 | Bruno Armando als Stage Manager |
| Lisa Bales als Nurse |
| Raffaello Benedetti als Chef |
| Sheri Brummond als Assistant |
| Patrizio Cigliano als Romeo |
| Davide Cincis als Church guardian |
 | Alessio Di Clemente als Latin Lover |
 | Neil Dickson als John (as Neil Dixon) |
 | Memo Dini als Master of Ceremonies |
 | Franco Fantasia als Professor Dervol |
 | Paolo Gasparini als Don Cordone |
 | Fiona Hutchison als Elaine |
| Dale Kasman als Travel Agent |
| Shawn Klugman als Motorist |
 | Emidio La Vella als Fat Italian |
| Scott Lavin als Jack |
| Gwenda Perez als Pit Boss |
 | Guido Roncalli |
 | George Russo als Croupier |
 | Massimo Sarchielli als Luigi |
| Donna Schifrin als Monique |
 | Sabina Vannucchi als Dr. Ricordi |
 | Giselda Volodi als Mona Lisa |
 | Kari Whitman als Justine |
| Charles La Russa als Extra (uncredited) |
| Francesco Rossini als Audience guy in the theater (uncredited) |
| John Hough | Director |
| John Hough | Writer |
| John Goldsmith | Writer |
| Howard P. Alston | Associate Producer |
| Claude Nedjar | Associate Producer |
| Marcia Stanton | Associate Producer |
| Kathleen Conway | Executive Producer |
| Mario Cotone | Executive Producer |
| Lew Grade | Producer |
| John Hough | Producer |
| Stuart Lyons | Line Producer |
| Peter Tanner | Editor |
| Nello Giorgetti | Production Design |
| Jerry Adams | Set Decoration |
| Evelyn Thompson | Costume Design |
| Marianne Collette | Makeup Artist |
| Melissa Thrift | Hairstylist |
| Jacky Reynal | Makeup Department Head |
| Diana Thomas-Madison | Makeup Artist |
| Alexander De Grunwald | Production Supervisor |
| Christian Fuin | Production Manager |
| Attilio Viti | Production Manager |
| Dale Dreher | Assistant Director |
| Simone Frattari | Assistant Director |
| David Larson | Assistant Director |
| Stephen Lofaro | First Assistant Director |
| Tommy Estridge | Property Master |
| Greg Conway | Sound Editor |
| Brady Schwartz | Foley Editor |
| Otto Snel | Sound Re-Recording Mixer |
| Mauro Balmas | Stunts |
| Roberto Bianchi | Electrician |
| Tommy Finch | Gaffer |
| Carlo Vinciguerra | Gaffer |
| Patrizio Marra | Grip |
| Mike Roberts | Camera Operator |
| Bob Mullen | First Assistant Editor |
| Lalo Schifrin | Conductor |
| Robert Hathaway | Music Editor |
| Tony Pierce-Roberts | Director of Photography |
| Lalo Schifrin | Original Music Composer |
| Gregg Barbanell | Foley Artist |
| David Marcus | Assistant Sound Editor |
| Mike Le Mare | Supervising Sound Editor |
| Ivan Sharrock | Production Sound Mixer |
| Donald Banks | Boom Operator |
