Mustillo has guest starred in more than 50 episodes of television and appeared in more than 20 films.
He had a recurring role as Tony’s gardener on the television series The Sopranos, and recurring roles in the soap opera The Young and the Restless and the series Joan of Arcadia. Other television credits include Cold Case, Without a Trace, CSI: Miami, High Incident, Married to the Mob, Country Comfort, Man of the People, Law and Order: SVU, Windfall, Nip/Tuck and many others.
His feature film credits include One for the Money, Killing Karma, Tzameti 13, City Island, My Sassy Girl, Bobby, Two for the Money and 30. In the theater, Mustillo appeared in Bartenders at the John Houseman Theatre NYC, Sticks and Stones, Different Angles, Circumstances, Blessed Event, Louie and The Tattler.
Mustillo was born in Buffalo, New York, and currently lives in Los Angeles. His hobbies include visiting museums and collecting antiques.