导演：
编剧：
- 马里奥·普佐 Mario Puzo .....(screenplay) and
- 马里奥·普佐 Mario Puzo .....(novel)
- 弗朗西斯·福特·科波拉 Francis Ford Coppola .....(screenplay)
演员：
- 马龙·白兰度 Marlon Brando .....Don Vito Corleone
- 阿尔·帕西诺 Al Pacino .....Michael Corleone
- 罗伯特·杜瓦尔 Robert Duvall .....Tom Hagen
- 詹姆斯·凯恩 James Caan .....Santino 'Sonny' Corleone
- Richard S. Castellano .....Pete Clemenza (as Richard Castellano)
- Sterling Hayden .....Capt. Mark McCluskey
- Matthew Vlahakis .....Clemenza's son (pushing toy car in driveway) (uncredited)
- Ed Vantura .....Wedding guest (uncredited)
- Anthony Gounaris .....Anthony Vito Corleone (uncredited)
- Ardell Sheridan .....Mrs. Clemenza
- Julie Gregg .....Sandra Corleone
- Salvatore Corsitto .....Amerigo Bonasera
- John Martino .....Paulie Gatto
- Joe Lo Grippo .....Sonny's bodyguard (uncredited)
- Father Joseph Medeglia .....Priest at baptism (uncredited)
- Morgana King .....Mama Corleone
- 艾尔·勒提埃里 Al Lettieri .....Virgil 'The Turk' Sollozzo
- Corrado Gaipa .....Don Tommasino
- Tom Rosqui .....Rocco Lampone (uncredited)
- Lenny Montana .....Luca Brasi
- Gian-Carlo Coppola .....Baptism observer (uncredited)
- Saro Urzì .....Vitelli
- Filomena Spagnuolo .....Extra at wedding scene (uncredited)
- Victor Rendina .....Philip Tattaglia
- Rick Petrucelli .....Man in passenger seat (when Michael is driven to the hospital) (uncredited)
- Rudy Bond .....Carmine Cuneo
- Carmine Coppola .....Piano player in montage scene (uncredited)
- Simonetta Stefanelli .....Apollonia Vitelli-Corleone
- 约翰·凯泽尔 John Cazale .....Fredo Corleone
- Gabriele Torrei .....Enzo Robutti (the baker) (uncredited)
- Tere Livrano .....Theresa Hagen
- Jeannie Linero .....Lucy Mancini
- Al Martino .....Johnny Fontane
- Richard Conte .....Emilio Barzini
- Tony Giorgio .....Bruno Tattaglia
- Burt Richards .....Floral designer (uncredited)
- Frank Macetta .....(uncredited)
- 乔·斯皮内尔 Joe Spinell .....Willie Cicci (uncredited)
- Sonny Grosso .....Cop with Capt. McCluskey outside hospital (uncredited)
- Vito Scotti .....Nazorine
- Randy Jurgensen .....Sonny's Killer #1 (uncredited)
- Tony Lip .....Wedding Guest (uncredited)
- Sal Richards .....Drunk (uncredited)
- Richard Bright .....Al Neri
- Frank Sivero .....Extra (uncredited)
- Louis Guss .....Don Zaluchi (outspoken Don at the Peace Conference) (uncredited)
- Talia Shire .....Connie Corleone Rizzi
- 阿历克斯·罗克 Alex Rocco .....Moe Greene
- Gianni Russo .....Carlo Rizzi
- Angelo Infanti .....Fabrizio
- John Marley .....Jack Woltz
- Ron Gilbert .....Usher in bridal party (uncredited)
- Abe Vigoda .....Salvatore "Sally" Tessio
- Lou Martini Jr. .....Boy at wedding (uncredited)
- Nick Vallelonga .....Wedding Party Guest (uncredited)
- 黛安·基顿 Diane Keaton .....Kay Adams
- Franco Citti .....Calo
- 索菲亚·科波拉 Sofia Coppola .....Michael Francis Rizzi (uncredited)
制片：
- Gray Frederickson .....associate producer
- Albert S. Ruddy .....producer
