Marlon BrandoDon Vito Corleone
Al PacinoMichael Corleone
James CaanSonny Corleone
Robert DuvallTom Hagen
Richard S. CastellanoClemenza
Diane KeatonKay Adams
Talia ShireConnie Corleone Rizzi
Gianni RussoCarlo Rizzi
Sterling HaydenCaptain McCluskey
John MarleyJack Woltz
Richard ConteBarzini
Al LettieriSollozzo
Abe VigodaSal Tessio
John CazaleFredo Corleone
Rudy BondCuneo
Al MartinoJohnny Fontane
Morgana KingMama Corleone
Lenny MontanaLuca Brasi
John MartinoPaulie Gatto
Salvatore CorsittoBonasera
Richard BrightNeri
Alex RoccoMoe Greene
Tony GiorgioBruno Tattaglia
Vito ScottiNazorine
Tere LivranoTheresa Hagen
Victor RendinaPhilip Tattaglia
Jeannie LineroLucy Mancini
Julie GreggSandra Corleone
Ardell SheridanMrs. Clemenza
Simonetta StefanelliApollonia - Sicilian Sequence
Angelo InfantiFabrizio - Sicilian Sequence
Corrado GaipaDon Tommasino - Sicilian Sequence
Franco CittiCalo - Sicilian Sequence
Saro UrzìVitelli - Sicilian Sequence
Roman CoppolaBoy on Street Who Attended Funeral (uncredited)
Sofia CoppolaMichael Francis Rizzi (uncredited)
Don CostelloDon Victor Stracci (uncredited)
Italia CoppolaExtra in Wedding Scene (uncredited)
Gray FredericksonCowboy on the Set at Woltz's Studio (uncredited)
Ron GilbertUsher in Bridal Party (uncredited)
Sonny GrossoCop Outside Hospital (uncredited)
Louis GussDon Zaluchi (uncredited)
Randy JurgensenSonny's Killer #1 (uncredited)
Tony KingTony - Stablehand (uncredited)
Tony LipWedding Guest (uncredited)
Joe Lo GrippoSonny's Bodyguard (uncredited)
Lou Martini Jr.Boy at Wedding (uncredited)
Raymond MartinoCorleone Family Member (uncredited)
Joseph MedagliaPriest at Baptism (uncredited)
Carol MorleyNight Nurse (uncredited)
Rick PetrucelliLou - Sollozzo's Driver (uncredited)
Sal RichardsDrunk (uncredited)
Tom RosquiRocco Lampone (uncredited)
Frank SiveroStreet Extra (uncredited)
Filomena SpagnuoloExtra in Wedding Scene (uncredited)
Joe SpinellWilli Cicci (uncredited)
Gabriele TorreiEnzo the Baker (uncredited)
Nick VallelongaWedding Party Guest (uncredited)
Conrad YamaFruit Vendor (uncredited)
MAHADSONNY