Still, The Godfather portrayed him as temperamental ... Clemenza Introduces a Young Hyman Roth to Vito Hyman Roth shows up out of nowhere. He is revealed to be a major player in the underworld ...

The Godfather Part II's plot involves John Cazale's Fredo Corleone betraying his brother Michael by feeding information to Hyman Roth, unwittingly setting up an attempt on Michael's life.