Don Vito Corleone 马龙·白兰度

Michael Corleone 阿尔·帕西诺

Tom Hagen 罗伯特·杜瓦尔

Santino "Sonny" Corleone 詹姆斯·凯恩

Peter Clemenza 理查德·萨尔瓦托雷·卡斯特拉诺

Kay Adams-Corleone 黛安·基顿

Young Vito Corleone 罗伯特·德尼罗

Constanzia "Connie" Corleone-Rizzi 塔莉亚·夏尔

Capt. Mark McCluskey 斯特林·海登

Jack Woltz 约翰·马利

Don Emilio Barzini 理查德·康特

Hyman Roth 李·斯特拉斯伯格

Don Fanucci 加斯通·莫辛

Frederico "Fredo" Corleone 约翰·卡扎尔

Virgil "The Turk" Sollozzo Al Lettieri

Carmela "Mama" Corleone Morgana King

Al Neri 理查德·布莱特

Frank Pentangeli 迈克尔·V·格佐

Sen. Patrick Geary 格瓦斯·杜安·斯普拉德林

Rocco Lampone Tom Rosqui

Deanna Dunn-Corleone Marianna Hill

Merle Johnson Troy Donahue

Johnny Fontane Al Martino

Carmine Cuneo Rudy Bond

Sandrinella "Sandra" Corleone Julie Gregg

Theresa Hagen Tere Livrano

Johnny Ola 多米尼克·契安尼斯

William "Willie" Cicci 乔·斯皮内尔

Vito's Mother Maria Carta

Don Tommasino Mario Cotone

Apollonia Vitelli-Corleone Simonetta Stefanelli

Fabrizio Angelo Infanti

Don Tmmasino Corrado Gaipa

Calò Franco Citti

Vitelli Saro Urzì

Salvatore "Sal" Tessio (uncredited) 阿贝·维高达

Luca Brasi (uncredited) Lenny Montana

Paulie Gatto (uncredited) John Martino

Amerigo Bonasera (uncredited) Salvatore Corsitto

Moe Greene (uncredited) Alex Rocco

Bruno Tattaglia (uncredited) 托尼·乔治奥

Philip Tattaglia (uncredited) Victor Rendina