Cast:

• Marlon Brando Don Vito Corleone
• Al Pacino Michael Corleone
• James Caan Santino 'Sonny' Corleone
• Richard S. Castellano Peter Clemenza
• Robert Duvall Tom Hagen
• Sterling Hayden Capt. McCluskey
• John Marley Jack Woltz
• Richard Conte Don Emilio Barzini
• Al Lettieri Virgil 'The Turk' Sollozzo
• Diane Keaton Kay Adams
• Abe Vigoda Sal Tessio
• Talia Shire Connie Corleone Rizzi
• Gianni Russo Carlo Rizzi
• John Cazale Fredo Corleone
• Rudy Bond Don Carmine Cuneo
• Al Martino Johnny Fontane
• Morgana King Mama Corleone
• Lenny Montana Luca Brasi
• John Martino Paulie Gatto
• Salvatore Corsitto Bonasera
• Richard Bright Al Neri
• Alex Rocco Moe Greene
• Tony Giorgio Bruno Tattaglia
• Vito Scotti Nazorine
• Tere Livrano Theresa Hagen
• Victor Rendina Don Philip Tattaglia
• Jeannie Linero Lucy Mancini
• Julie Gregg Sandra Corleone
• Ardell Sheridan Mrs. Clemenza
• Simonetta Stefanelli Apollonia Vitelli Corleone
• Angelo Infanti Fabrizio
• Corrado Gaipa Don Tommasino
• Franco Citti Calo
• Saro Urzì Vitelli
• Max Brandt Extra in furniture moving scene
• Carmine Coppola Piano player in montage scene
• Gian-Carlo Coppola Baptism observer
• Italia Coppola Extra
• Sofia Coppola Michael Francis Rizzi
• Don Costello Don Victor Stracci
• Gray Frederickson Cowboy on the set at Woltz's studio
• Ron Gilbert Usher in bridal party
• Anthony Gounaris Anthony Vito Corleone
• Joe Lo Grippo Sonny's bodyguard
• Sonny Grosso Detective Phillips
• Louis Guss Don Zaluchi
• Randy Jurgensen Sonny's Killer #1
• Peter Lemongello Singer
• Tony Lip Wedding Guest
• Frank Macetta
• Lou Martini Jr. Boy at wedding
• Father Joseph Medeglia Priest at baptism
• Carol Morley Night Nurse
• Rick Petrucelli Man in passenger seat
• Burt Richards Floral designer
• Sal Richards Drunk
• Tom Rosqui Rocco Lampone
• Nino Ruggeri Mobster at funeral with Barzini
• Frank Sivero Street Extra
• Filomena Spagnuolo Extra at wedding scene
• Joe Spinell Willi Cicci
• Gabriele Torrei Enzo the Baker
• Nick Vallelonga Wedding Party Guest
• Ed Vantura Wedding guest
• Matthew Vlahakis Clemenza's son