Michael Corleone

Al Pacino

Tom Hagen

Robert Duvall

Vito Corleone

Robert De Niro

Kay Corleone

Diane Keaton

Constanzia "Connie" Corleone

Talia Shire

Frederico "Fredo" Corleone

John Cazale

Hyman Roth

Lee Strasberg

Sen. Pat Geary

G.D. Spradlin*

Frankie Pentangeli

Michael V. Gazzo

Al Neri

Richard Bright

Senator Pat Geary

G. D. Spradlin

Fanucci

Gastone Moschin

Genco

Frank Sivero

Rocco Lampone

Tom Rosqui

Young Peter Clemenza

B. Kirby Jr.

Willie Cicci

Joe Spinell

Young Carmela Corleone

Francesca De Sapio

Carmela Corleone

Morgana King

Deanna

Marianna Hill

Merle Johnson

Troy Donahue

Sal Tessio

Abe Vigoda

Signor Roberto

Leopoldo Trieste

Johnny Ola

Dominic Chianese

Marcia Roth

Fay Spain

Vito's Mother

Maria Carta

Michael's Bodyguard

Amerigo Tot

Vito Andolini as a boy

Oreste Baldini

Young Sal Tessio

John Aprea

Sonny Corleone

James Caan

Theresa Hagen

Tere Livrano

Carlo Rizzi

Gianni Russo

Don Francesco

Guiseppe Sillato

Don Francesco

Giuseppe Sillato

Don Tommasino

Mario Cotone

Anthony Corleone

James Gounaris

Impresario

Ezio Flagello

Questadt

Peter Donat

F.B.I. Man #1

Harry Dean Stanton

Carmine Rosato

Carmine Caridi

F.B.I. Man #2

David Baker

Tony Rosato

Danny Aiello

Bartender

Carmine Foresta

Bartender

Nick Discenza

Tenor

Livio Giorgi

Father Carmelo

Joseph Medeglia

Father Carmelo

Joseph Medaglia

Signora Colombo

Saveria Mazzola

Senate Committee Chairman

William Bowers

Translator

Johnny Naranjo

Michael's Buttonman #1

Joseph Della Sorte

Michael's Buttonman #2

Carmen Argenziano

Michael's Buttonman

Joe Della Sorte

Michael's Buttonman #3

Joe Lo Grippo

Girl in 'Senza Mamma'

Kathleen Beller

Cuban President

Tito Alba

Pentangeli's Brother

Elda Maida

Mosca

Ignazio Pappalardi

Strollo

Andrea Maugeri

Abandando

Peter La Corte

Pentangeli's Brother

Salvatore Po

Vendor

Vincent Coppola

Mosca

Ignazio Pappalardo

Corngold

Tom Dahlgren

Sen. Ream

Paul B. Brown

Signor Abbandando

Peter LaCorte

Yolanda

Yvonne Coll

Attendant at Brothel

J.D. Nichols

Ellis Island Doctor

Edward Van Sickle

Ellis Island Nurse

Gabria Belloni

Customs Official

Richard Watson

Senator #1

Phil Feldman

Cuban Nurse

Venancia Grangerard

Senator #2

Roger Corman

Governess

Erica Yohn

Yolanda

Ivonne Coll

Midwife

Theresa Tirelli

Attendant at Brothel

Joe De Nicola

Ellis Island Nurse

Gabriella Belloni

Midwife

Teresa Tirelli

Child (uncredited)

Sofia Coppola

Young Sonny Corleone (uncredited)

Roman Coppola