阿尔·帕西诺
Al Pacino
饰：唐·迈克尔·柯里昂 Don Michael Corleone
安迪·加西亚
Andy Garcia
饰：文森特·曼奇尼 Vincent Mancini
索菲亚·科波拉
Sofia Carmina Coppola
饰：玛丽·柯里昂 Mary Corleone
黛安·基顿
Diane Keaton
饰：凯斯·亚当·迈克尔逊 Kay Adams Michelson
塔莉娅·夏尔
Talia Shire
饰：康妮·柯里昂·瑞兹 Connie Corleone Rizzi
埃里·瓦拉赫
Eli Wallach
饰：Don Altobello
乔·曼特纳
Joe Mantegna
饰：Joey Zasa
乔治·汉密尔顿
George Stevens Hamilton
饰：B. J.哈里森 B.J. Harrison
布莉姬·方达
Bridget Fonda
饰：格雷斯·汉密尔顿 Grace Hamilton
雷夫·瓦朗
Raffaele Vallone
饰：红衣主教兰贝托 Cardinal Lamberto
理查德·詹姆斯·布莱特
Richard Bright
饰：阿尔·内里 Al Neri
赫尔穆特·贝格
Helmut Berger
饰：Frederick Keinszig
唐·诺韦洛
Don Novello
饰：Dominic Abbandando
约翰·萨维奇
John Savage
饰：父亲安德鲁·哈根 Father Andrew Hagen
弗兰科·奇蒂
Franco Citti
饰：Calo
马里奥·多纳托内
Mario Donatone
饰：Mosca
维托里奥·度瑟
Vittorio Duse
饰：Don Tommasino
阿尔·马蒂诺
Al Martino
饰：Johnny Fontane
Carlos Miranda
饰：Twin Bodyguard Francesco
Vito Antuofermo
饰：Anthony 'The Ant' Squigliaro
Jeannie Linero
Jeannie Linero
饰：Lucy Mancini
Tere Livrano
Tere Livrano
饰：Teresa Hagen (as Tere L. Baker)
卡米因·卡里迪
Carmine Caridi
饰：Albert Volpe
Don Costello
饰：Frank Romano
阿尔·罗斯西奥
Al Ruscio
饰：Leo Cuneo
Michaey Knox
饰：Marty Parisi
瑞克·阿维莱斯
Rick Aviles
饰：Mask #1
迈克尔·博文
MichaelBowenJr.
饰：Mask #2
Gabriele Torrei
Gabriele Torrei
饰：Enzo the Baker
约翰·阿比内里
John Abineri
饰：Hamilton Banker
马里诺·梅瑟
Marino Masé
饰：Lupo
西蒙蕾妲·瑟法奈尼
Simonetta Stefanelli
饰：Apollonia Vitelli-Corleone (archive footage)
尼基·布莱尔
Nicky Blair
饰：Nicky the Casino Host
安东尼·吉德拉
Anthony Guidera
饰：Anthony, the Bodyguard
凯瑟琳·斯科塞斯
Catherine Scorsese
饰：Woman in Cafe
Joe Drago
Joe Drago
饰：Party Security (as Joseph Drago)
塞尔瓦托雷·比拉
Salvatore Billa
饰：Lucchesi Bodyguard (uncredited)
约翰·凯泽尔
John Cazale
饰：Fredo Corleone (archive footage) (uncredited)
卡迈恩·科波拉
Carmine Coppola
饰：Bandleader (uncredited)
托尼·德文
Tony Devon
饰：Mob Family Lawyer at Church (uncredited)
R. Emmett Fitzsimmons
R. Emmett Fitzsimmons
饰：Mob Guy (uncredited)
Joe Fontana
饰：St. Gennaro Feast Mob Guy (uncredited)
F.X. Vitolo
饰：Pasquale (uncredited)
弗兰克·德安布罗西奥
Franc D'Ambrosio
饰：Anthony Vito Corleone
敦尔·当纳利
Donal Donnelly
饰：Archbishop Gilday
Enzo Robutti
饰：Don Licio Lucchesi
米歇尔·鲁索
Michele Russo
饰：Spara
罗伯特·奇基尼
Robert Cicchini
饰：Lou Pennino
Rogerio Miranda
饰：Twin Bodyguard Armand
Robert Vento
饰：Father John
Willie Brown
Willie Brown
饰：Party Politician
雷莫·雷莫蒂
Remo Remotti
饰：Camerlengo Cardinal
Jeanne Savarino Pesch
饰：Francesca Corleone
Janet Savarino Smith
饰：Kathryn Corleone
布雷特·哈尔西
Brett Halsey
饰：Douglas Michelson
Brian Freilino
Brian Freilino
饰：Stockholder
格雷戈里·柯索
Gregory Corso
饰：Unruly Stockholder
Alessandro Ruspoli
饰：Vanni
Valeria Sabel
Valeria Sabel
饰：Sister Vincenza
Luigi Laezza
饰：Keinszig Killer
Beppe Pianviti
饰：Keinszig Killer
Santo Indelicato
饰：Guardia del Corpo
Francesco Paolo Bellante
饰：Autista di Don Tommasino
Paco Reconti
Paco Reconti
饰：Gesu
Mimmo Cuticchio
饰：Puppet Narrator
Richard Honigman
饰：Party Reporter
Frank Tarsia
饰：Frankie, the Bodyguard
Diane Agostini
饰：Woman with Child at Street Fair
杰西卡·迪西可
Jessica Di Cicco
饰：Child
Ida Bernardini
饰：Woman in Cafe
大卫·休姆·肯纳利
David Hume Kennerly
饰：Party Photographer
James D. Damiano
饰：Son Playing Soccer
Michael Boccio
饰：Father of Soccer Player
Anton Coppola
饰：Conductor of 'Cavalleria Rusticana'
Elena Lo Forte
饰：Santuzza in 'Cavalleria Rusticana'
Madelyn Renée Monti
饰：Lola,Santuzza in ("Cavalleria Rusticana") (singing voice)
Corinna Vozza
饰：Lucia in 'Cavalleria Rusticana'
Angelo Romero
饰：Alfio in 'Cavalleria Rusticana'
Sal Borgese
Sal Borgese
饰：Lucchesi's Door Guard (uncredited)
吉亚·科波拉
Gia Coppola
饰：Connie's Granddaughter (uncredited)
Ludovico Caldereda
Ludovico Caldereda
饰：Young priest (uncredited)
Laurence Clift
Laurence Clift
饰：Lupo
Frank Ferrara
Frank Ferrara
饰：Zasa's Bodyguard (uncredited)
罗恩·杰里米·海埃特
Ron Jeremy
饰：Man chewing toothpick in crowd - at 1:16:34 (uncredited)
Paolo Gavanelli
饰：Alfio in 'Cavalleria Rusticana'
戴安娜·阿戈斯蒂尼
Diana Agostini
饰：Woman with Child at Street Fair
布莉姬·方达
Bridget Fonda
饰：Grace Hamilton
达多·鲁斯波利
Dado Ruspoli
饰：Vanni
Giuseppe Pianviti
Giuseppe Pianviti
饰：Keinszig Killer,(as Beppe Pianviti)
米基·诺克斯
Mickey Knox
饰：Matty Parisi
Marino
饰：Lupo