Louis Mustillo is an American actor.
Mustillo was born in Buffalo, New York. He has guest starred in more than 50 episodes of television and appeared in over 20 films. He was a series regular on Man of the People with James Garner. He also played Russell Topps for two seasons on DreamWorks first hour-long drama, High Incident. He had a recurring role on The Sopranos as a mafia-associated landscaping business owner, Salvatore "Sal" Vitro. He appeared in The Narrows, and he played sports writer Maury Allen on the ESPN mini-series The Bronx is Burning. Louis also wrote and starred in "Bartenders", a one man show that ran for a year at the John Houseman Theatre in New York City.
He currently appears in the CBS sitcom Mike & Molly in the role of Vince, a love interest and later husband of Molly's mother.