Al Pacino

Character: Don Michael Corleone

Robert Duvall

Character: Tom Hagen

Diane Keaton

Character: Kay Corleone

Robert De Niro

Character: Vito Corleone

John Cazale

Character: Frederico 'Fredo' Corleone

Talia Shire

Character: Constanzia 'Connie' Corleone

Lee Strasberg

Character: Hyman Roth

Michael V. Gazzo

Character: Frank Pentangeli

G. D. Spradlin

Character: Senator Pat Geary

Richard Bright

Character: Al Neri

Gastone Moschin

Character: Don Fanucci

Tom Rosqui

Character: Rocco Lampone

Bruno Kirby

Character: Young Clemenza

Frank Sivero

Character: Genco Abbandando

Francesca De Sapio

Character: Young Mama Corleone

Morgana King

Character: Mama Corleone

Marianna Hill

Character: Deanna Corleone

Leopoldo Trieste

Character: Signor Roberto

Dominic Chianese

Character: Johnny Ola

Amerigo Tot

Character: Michael's Bodyguard

Troy Donahue

Character: Merle Johnson

John Aprea

Character: Young Tessio

Joe Spinell

Character: William 'Willie' Cicci

Abe Vigoda

Character: Salvatore 'Sal' Tessio

Tere Livrano

Character: Theresa Hagen

Gianni Russo

Character: Carlo Rizzi

Maria Carta

Character: Mrs. Andolini

Oreste Baldini

Character: Young Vito

Giuseppe Sillato

Character: Don Francesco Ciccio

Mario Cotone

Character: Don Tommasino

James Gounaris

Character: Anthony Corleone

Fay Spain

Character: Mrs. Marcia Roth

Harry Dean Stanton

Character: F.B.I. Man #1

David Baker

Character: F.B.I. Man #2

Carmine Caridi

Character: Carmine Rosato

Danny Aiello

Character: Tony Rosato

Carmine Foresta

Character: Policeman

Nick Discenza

Character: Bartender

Joseph Medaglia

Character: Father Carmelo

William Bowers

Character: Senate Committee Chairman

Joseph Della Sorte

Character: Michael's Buttonman #1

Carmen Argenziano

Character: Michael's Buttonman #2

Joe Lo Grippo

Character: Michael's Buttonman #3

Ezio Flagello

Character: Impressario

Livio Giorgi

Character: Tenor in 'Senza Mamma'

Kathleen Beller

Character: Girl in 'Senza Mamma'

Saveria Mazzola

Character: Signora Colombo

Tito Alba

Character: Cuban President

Johnny Naranjo

Character: Cuban Translator

Elda Maida

Character: Pentangeli's Wife

Salvatore Po

Character: Pentangeli's Brother

Ignazio Pappalardo

Character: Mosca

Andrea Maugeri

Character: Strollo

Peter LaCorte

Character: Signor Abbandando

Vincent Coppola

Character: Street Vendor

Peter Donat

Character: Questadt

Tom Dahlgren

Character: Fred Corngold

Paul B. Brown

Character: Senator Ream

Phil Feldman

Character: Senator #1

Roger Corman

Character: Senator #2

Ivonne Coll

Character: Yolanda

Joe De Nicola

Character: Attendant at Brothel

Edward Van Sickle

Character: Ellis Island Doctor

Gabriella Belloni

Character: Ellis Island Nurse

Richard Watson

Character: Customs Official

Venancia Grangerard

Character: Cuban Nurse

Erica Yohn

Character: Governess

Teresa Tirelli

Character: Midwife

James Caan

Character: Sonny Corleone (uncredited)

Italia Coppola

Character: Mama Corleone's Body (uncredited)

Roman Coppola

Character: Sonny Corleone as a Boy (uncredited)

Sofia Coppola

Character: Child on Ship (uncredited)

Victor Pujols Faneyte

Character: Cuban Guerilla with Grenade (uncredited)

Julie Gregg

Character: Sandrinella 'Sandra' Corleone (uncredited)

Larry Guardino

Character: Vito's Uncle (uncredited)

Buck Houghton

Character: Senator with Mustache (uncredited)

Sho Kosugi

Character: Passerby in Coat with Cap Pulled Down (uncredited)

Gary Kurtz

Character: Photographer in Court (uncredited)

Richard Matheson

Character: Senator #3 (uncredited)

John Megna

Character: Young Hyman Roth (uncredited)

Jay Rasumny

Character: Street Vendor (uncredited)

Filomena Spagnuolo

Character: Extra in Little Italy (uncredited)

Julian Voloshin

Character: Sam Roth (uncredited)

Laura Lyons

Character: Guest (uncredited)

Harrison Ressler

Character: Crowd (uncredited)