Crocetti and Levitch made a string of movies together before bitter breakup By what names were better known?

You're likely thinking of Martin Scorsese and Robert De Niro, who had a famously close creative partnership that eventually soured.

They are known for collaborating on several iconic films like:

* Taxi Driver (1976)

* Raging Bull (1980)

* The King of Comedy (1982)

* Goodfellas (1990)

* Casino (1995)

Their relationship became strained and they haven't collaborated on a film since Casino in 1995.