John "Johnny" Anthony Williams also known as "Johnny Roast beef" Williams is an American character actor with nearly 100 credits to his name. He is perhaps best remembered as Johnny Roastbeef in the Martin Scorsese classic Goodfellas (1990). He is also appeared in the Movies The Mask (1994) alongside Cameron Diaz and Jim Carrey as well as Greenbook (2018) which starred Viggo Mortensen Mahershala Ali. He has also made dozens of appearances in tv shows.