FRANK VINCENT DEAD AT 78

Frank Vincent — veteran actor known for his roles on “The Sopranos” and several Martin Scorsese films — died in a New Jersey hospital Wednesday … TMZ has learned.

We’re told Vincent suffered a heart attack last week, and underwent open-heart surgery Wednesday. He died during the surgery.

Frank was one of the most recognizable character actors — in the biz for 41 years — known for his tough guy roles … especially in mafia movies. Some of his most memorable include Billy Batts in “Goodfellas” and Phil Leotardo — Tony’s nemesis — in “The Sopranos.”

Vincent also appeared in “Raging Bull,” “Casino” and “Do the Right Thing.”

He was 78.

RIP

TMZ