As a director, producer, and writer, he worked on a number of television series, including
Busting Loose,
Brothers,
The Tortellis,
Perfect Strangers,
The Royal Family,
The John Larroquette Show, ''
Herman's Head, It's a Living, Soap'', and other series. As an actor, he had roles in
The Rockford Files, as Vinnie Morabito on
Busting Loose, Tony Manucci on ''
Makin' It, Butch DeConcini on The Sopranos,
and Johnny Torrio on Boardwalk Empire''. In 1976, he played the role of Hector in "
A Nun's Story" and "
Good Time Girls" during season two of
Laverne & Shirley. He made a
cameo appearance as a
mobster in the 2013 film
The Family. Antonacci was also a playwright, theatrical actor, and director, participating in multiple productions and roles at the
La MaMa Experimental Theater Club in the
East Village throughout the early through mid-1970s. He wrote and performed in the 1971
Off-Off-Broadway musical "Dance Wi' Me (or, The Fatal Twitch)," which was directed by
Joel Zwick and produced at La MaMa. This play was produced again at La MaMa in 1974, and then renamed and re-staged as the Broadway musical "
Dance With Me," opening January 23, 1975 at the Mayfair Theatre in New York City. ==Personal life and death==