Al Pacino

Don Michael Corleone

Marlon Brando

Don Vito Corleone

Robert De Niro

Young Vito Corleone

Robert Duvall

Tom Hagen

James Caan

Santino "Sonny" Corleone

John Cazale

Frederico "Fredo" Corleone

Diane Keaton

Kay Adams-Corleone

Talia Shire

Constanzia "Connie" Corleone-Rizzi

Richard S. Castellano

Peter Clemenza

Sterling Hayden

Capt. Mark McCluskey

John Marley

Jack Woltz

Richard Conte

Don Emilio Barzini

Lee Strasberg

Hyman Roth

Gastone Moschin

Don Fanucci

Al Lettieri

Virgil "The Turk" Sollozzo

Morgana King

Carmela "Mama" Corleone

Richard Bright

Al Neri

Michael V. Gazzo

Frank Pentangeli

G. D. Spradlin

Sen. Patrick Geary

Tom Rosqui

Rocco Lampone

Marianna Hill

Deanna Dunn-Corleone

Troy Donahue

Merle Johnson

Al Martino

Johnny Fontane

Rudy Bond

Carmine Cuneo

Julie Gregg

Sandrinella "Sandra" Corleone

Tere Livrano

Theresa Hagen

Dominic Chianese

Johnny Ola

Joe Spinell

William "Willie" Cicci

Maria Carta

Mrs. Andolini

Mario Cotone

Don Tommasino

Simonetta Stefanelli

Apollonia Vitelli-Corleone

Angelo Infanti

Fabrizio

Franco Citti

Calò

Saro Urzì

Mr. Vitelli

Gianni Russo

Carlo Rizzi (uncredited)

Abe Vigoda

Salvatore "Sal" Tessio (uncredited)

Lenny Montana

Luca Brasi (uncredited)

John Martino

Paulie Gatto (uncredited)

Salvatore Corsitto

Amerigo Bonasera (uncredited)

Alex Rocco

Moe Greene (uncredited)

Tony Giorgio

Bruno Tattaglia (uncredited)

Victor Rendina

Philip Tattaglia (uncredited)