Tony Sirico, 'Sopranos' Star, Dead at 79v

Actor Tony Sirico, best known for playing henchman Peter Paul "Polly Walnuts" Gualtieri in HBO's "The Sopranos"

As per his IMDB profile, he was 79 years old.

McGowan did not specify a cause of death, but called Sirico a "very loyal and long-term customer" of 25 years and "always a giver".

Sirico earned several credits in the late '80s and '90s in films such as "Goodfellas," "Mighty Aphrodite," and "Mickey Blue Eyes."

Sirico appeared in shows such as "Lillehammer," "The Grinder" and "Family Guy."

Through "The Sorpanos" became famous playing the colorful but brutal-when-necessary Paulie Walnuts—especially in cable houses.

I did my best and most fun with my dear friend Tony," said Imperioli.

Michael Gandolfini, son of the late "Sopranos" star James Gandolfini, also paid tribute to Sirico on Instagram.