Al Pacino
Don Michael Corleone
Robert De Niro
Vito Corleone
John Cazale
Frederico 'Fredo' Corleone
Talia Shire
Constanzia 'Connie' Corleone
Michael V. Gazzo
Frank Pentangeli
G. D. Spradlin
Senator Pat Geary
Gastone Moschin
Don Fanucci
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
Joe Spinell
William 'Willie' Cicci
Abe Vigoda
Salvatore 'Sal' Tessio
Tere Livrano
Theresa Hagen
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
Carmine Caridi
Carmine Rosato
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
Livio Giorgi
Tenor in 'Senza Mamma'
Kathleen Beller
Girl in 'Senza Mamma'
Saveria Mazzola
Signora Colombo
Johnny Naranjo
Cuban Translator
Elda Maida
Pentangeli's Wife
Salvatore Po
Pentangeli's Brother
Peter LaCorte
Signor Abbandando
Vincent Coppola
Street Vendor
Tom Dahlgren
Fred Corngold
Paul B. Brown
Senator Ream
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
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)