Worked as a carnival worker and a trailer truck driver before becoming an actor. His parents were Philip Lupo Bosco (a carnival worker) and Margaret Raymond Thek Bosco (a policewoman). Graduated from Saint Peter's Prep School, 1948. Graduated from the Catholic University of America, A.B. 1957. Served as a private in the U.S. Army Signal Corps, 1951-53. Received the Shakespeare Society of Washington, D.C. Award (1957); won the Variety NY Drama Critics' Poll for his performance as Heracles in "The Rape of the Belt" (1961); and received a Tony nomination for "The Rape of the Belt."
Nominated for a Tony Award in 1996 for Best Actor in Moon Over Buffalo Graduated from St. Peters Prep, Jersey City, NJ. Made his debut with the New York Philharmonic in April 2003 in the role of Leonardo, in the concert staging of Berlioz's opera Beatrice and Benedict. Won Broadway's 1989 Tony Award as Best Actor (Play) for "Lend Me a Tenor." He has also been Tony-nominated for four other performances: in 1961, as Best Supporting or Featured Actor (Dramatic) for "The Rape of the Belt," in 1984, for Best Actor (Featrured Role - Play) for George Bernard Shaw's "Heartbreak House," and twice as Best Actor (Play), in 1987 for George Bernard Shaw's "You Never Can Tell" and in 1996 for "Moon Over Buffalo."