Vito Corleone is one of the main characters in the iconic film The Godfather. He is the head of the Corleone family and is portrayed by Marlon Brando. His son Fredo Corleone is portrayed by John Cazale and is the second oldest son of Vito. SONNY Corleone is the oldest son of Vito and is portrayed by James Caan. All three of these characters are members of the Corleone family and are considered to be one of the Corleones.