The conversation between human and AI assistant.
[|Human|] Given an article, identify the main actors and summarize their roles.
[|AI|] The main actors in the film The Godfather are Marlon Brando, who plays Don Vito Corleone, the head of a criminal organization, and his son Michael Corleone, played by Al Pacino, who is a World War II hero and initially wants no part in the family business.
[|Human|] 
Given an article, identify the main actors and summarize their roles.