 | Sylvester Stallone Angelo "Snaps" Provolone |
 | Marisa Tomei Lisa Provolone, Angelo's daughter |
 | Vincent Spano Anthony Rossano |
 | Ornella Muti Sofia Provolone |
 | Tim Curry Dr. Thornton Poole |
 | Peter Riegert Aldo |
 | Chazz Palminteri Connie |
 | Martin Ferrero Luigi Finucci |
 | Harry Shearer Guido Finucci |
 | Kirk Douglas Eduardo Provolone |
 | Paul Greco Schemer |
 | Richard Foronjy Knucky |
 | Joey Travolta Ace |
 | Yvonne De Carlo Aunt Rosa |
 | Don Ameche Father Clemente |
 | Richard Romanus Vendettii |
 | Arleen Sorkin Manicurist |
 | William Atherton Overton |
 | Ken Howard Kirkwood |
 | Eddie Bracken « Five Spot » Charlie |
 | Tony Munafo Frankie the Roach |
 | Kurtwood Smith Lt. Toomey, Chicago PD |
 | Art LaFleur Officer Quinn |
 | Linda Gray Roxanne |
 | Robert Lesser Officer Keough |
 | Joycelyn O'Brien Nora |
 | Mark Metcalf Milhous |
 | Sam Chew Jr. Van Leland |
 | Elizabeth Barondes Theresa |
| Sal Vecchio Vendetti Hood |
| Danny Goldstine Cab Driver |
 | Kai Wulff Underwood Chauffeur |
 | Marshall Bell Reporter #1 |
| Tom Grant Reporter #2 |
 | Louis D'Alto Reporter #3 |
 | Rick Avery Vendetti's Driver |
| Jim Mulholland Oscar |
 | Joe Dante Face on the Cutting Room Floor |
 | Jim Abrahams Postman (uncredited) |
| Sal Mazzotta Bodyguard 4 (uncredited) |
 | Tino Insana Tiny the Iceman (uncredited) |
 | Earle Patriarco Largo Al Factotum performer (voice) |
| Production | |
| Leslie Belzberg | Producer |
Editing | |
| Dale Beldin | Editor |
Directing | |
| John Landis | Director |
Camera | |
| Mac Ahlberg | Director of Photography |
Sound | |
| Elmer Bernstein | Original Music Composer |
Writing | |
| Michael Barrie | Screenplay |
Art | |
| Rick Gentz | Set Decoration |
| Bill Kenney | Production Design |
Production | |
| Jackie Burch | Casting |
Art | |
| William Ladd Skinner | Art Direction |
Costume & Make-Up | |
| Deborah Nadoolman Landis | Costume Design |
Writing | |
| Jim Mulholland | Screenplay |
Production | |
| Alex Ponti | Executive Producer |
| Joseph S. Vecchio | Executive Producer |
Sound | |
| Paul Timothy Carden | Sound Editor |
Costume & Make-Up | |
| Bruce Wayne | Hairstylist |
Sound | |
| James Beshears | ADR Supervisor |
| Gary Mundheim | Sound Editor |
| Richard C. Franklin | Supervising Sound Editor |
Camera | |
| Gary Wattman | Dolly Grip |
Sound | |
| Nils C. Jensen | Sound Editor |
| Donald J. Malouf | Sound Editor |
Camera | |
| Norman G. Langley | Camera Operator |
| Patrick A. Murphy | Dolly Grip |
Sound | |
| Kathy Durning | Music Editor |
Editing | |
| Andrew S. Eisen | First Assistant Editor |
Costume & Make-Up | |
| Ron Berkeley | Makeup Artist |
Camera | |
| Bob Rust | Key Grip |
Sound | |
| David Kern | Sound Editor |
Directing | |
| Kathryn Weygand | Script Supervisor |
Costume & Make-Up | |
| Joy Zapata | Hairstylist |
Directing | |
| Frank Capra III | First Assistant Director |
Crew | |
| Mark Knapton | Propmaker |
Costume & Make-Up | |
| Frank Griffin | Makeup Artist |
| Gary Liddiard | Makeup Artist |
Art | |
| Larry Clark Bird | Property Master |
Lighting | |
| Phil Walker | Chief Lighting Technician |
Camera | |
| Moshe Levin | Camera Operator |
Costume & Make-Up | |
| Pamela Wise | Costume Supervisor |
Sound | |
| Patrick Russ | Orchestrator |
Art | |
| Penelope Gottlieb | Title Designer |
Costume & Make-Up | |
| Robert L. Stevenson | Hair Department Head |
Sound | |
| Fred Judkins | Sound Editor |
Crew | |
| Rick Avery | Stunt Coordinator |
Production | |
| Janet L. Wattles | Production Supervisor |
Writing | |
| Claude Magnier | Writer |
Production | |
| Felicia Fasano | Casting Assistant |
| Paul Deason | Unit Production Manager |
Directing | |
| Simon Barron | Second Second Assistant Director |
| Daniel R. Suhart | Second Assistant Director |
| John Wildermuth | Second Assistant Director |
