Al Pacino

Don Michael Corleone

Robert Duvall

Tom Hagen

Diane Keaton

Kay Corleone

Robert De Niro

Vito Corleone

John Cazale

Frederico 'Fredo' Corleone

Talia Shire

Constanzia 'Connie' Corleone

Lee Strasberg

Hyman Roth

Michael V. Gazzo

Frank Pentangeli

G. D. Spradlin

Senator Pat Geary

Richard Bright

Al Neri

Gastone Moschin

Don Fanucci

Tom Rosqui

Rocco Lampone

Bruno Kirby

Young Clemenza

Frank Sivero

Genco Abbandando

Francesca De Sapio

Young Mama Corleone

Morgana King

Mama Corleone

Marianna Hill

Deanna Corleone

Leopoldo Trieste

Signor Roberto

Dominic Chianese

Johnny Ola

Amerigo Tot

Michael's Bodyguard

Troy Donahue

Merle Johnson

John Aprea

Young Tessio

Joe Spinell

William 'Willie' Cicci

Abe Vigoda

Salvatore 'Sal' Tessio

Tere Livrano

Theresa Hagen

Gianni Russo

Carlo Rizzi

Maria Carta

Mrs. Andolini

Oreste Baldini

Young Vito

Giuseppe Sillato

Don Francesco Ciccio

Mario Cotone

Don Tommasino

James Gounaris

Anthony Corleone

Fay Spain

Mrs. Marcia Roth

Harry Dean Stanton

F.B.I. Man #1

David Baker

F.B.I. Man #2

Carmine Caridi

Carmine Rosato

Danny Aiello

Tony Rosato

Carmine Foresta

Policeman

Nick Discenza

Bartender

Joseph Medaglia

Father Carmelo

William Bowers

Senate Committee Chairman

Joseph Della Sorte

Michael's Buttonman #1

Carmen Argenziano

Michael's Buttonman #2

Joe Lo Grippo

Michael's Buttonman #3

Ezio Flagello

Impressario

Livio Giorgi

Tenor in 'Senza Mamma'

Kathleen Beller

Girl in 'Senza Mamma'

Saveria Mazzola

Signora Colombo

Tito Alba

Cuban President

Johnny Naranjo

Cuban Translator

Elda Maida

Pentangeli's Wife

Salvatore Po

Pentangeli's Brother

Ignazio Pappalardo

Mosca

Andrea Maugeri

Strollo

Peter LaCorte

Signor Abbandando

Vincent Coppola

Street Vendor

Peter Donat

Questadt

Tom Dahlgren

Fred Corngold

Paul B. Brown

Senator Ream

Phil Feldman

Senator #1

Roger Corman

Senator #2

Ivonne Coll

Yolanda

Joe De Nicola

Attendant at Brothel

Edward Van Sickle

Ellis Island Doctor

Gabriella Belloni

Ellis Island Nurse

Richard Watson

Customs Official

Venancia Grangerard

Cuban Nurse

Erica Yohn

Governess

Teresa Tirelli

Midwife

James Caan

Sonny Corleone (uncredited)

Italia Coppola

Mama Corleone's Body (uncredited)

Roman Coppola

Sonny Corleone as a Boy (uncredited)

Sofia Coppola

Child on Ship (uncredited)

Victor Pujols Faneyte

Cuban Guerilla with Grenade (uncredited)

Julie Gregg

Sandrinella 'Sandra' Corleone (uncredited)

Larry Guardino

Vito's Uncle (uncredited)

Buck Houghton

Senator with mustache (uncredited)

Sho Kosugi

Passerby in Coat with Cap Pulled Down (uncredited)

Gary Kurtz

Photographer in Court (uncredited)

Richard Matheson

Senator #3 (uncredited)

John Megna

Young Hyman Roth (uncredited)

Jay Rasumny

Street Vendor (uncredited)

Filomena Spagnuolo

Extra in Little Italy (uncredited)

Julian Voloshin

Sam Roth (uncredited)

Devi Morgan

Background (uncredited)