Among other roles, he appeared in Martin Scorsese's Mean Streets and provided voices for Ralph Bakshi's animated films Wizards and Hey Good Lookin'.

In 1999, he co-wrote the Christmas film If You Believe along with his wife Anthea Sylbert, which was nominated by the Writers Guild of America TV Award for Original Long Form.

[not verified in body] Romanus was born in Barre, Vermont, the son of Eileen (née Maloof) and Dr. Raymond Romanos, a dentist.

[3][4] He lived in West Hartford, Connecticut, and in 1964 graduated from Xavier University with a bachelor's in philosophy, before studying acting with Lee Strasberg at the Actors Studio in New York.

[citation needed] Romanus was married to Oscar-nominated costume designer Anthea Sylbert from August 1985 until his death.