Martin is a highly successful actor in theater, television and film, and an award-winning author. His Broadway performances include Cabaret, Titanic, Spamalot, Bells Are Ringing, Big River, How to Succeed in Business Without Really Trying, and A Christmas Carol. His Off-Broadway performances include A Man of No Importance at Lincoln Center Theater, and The Cider House Rules with the Atlantic Theater Company. Martin has also performed in many regional theaters, including Long Wharf, Williamstown Theater Festival, Trinity Repertory Company, American Conservatory Theater, and Shakespeare and Company.His film/TV credits include Possible Side Effects, The Next Big Thing, Private Parts, and Law & Order.
When Martin was 12 years old, he was manipulated by a camp counselor into what became a 3-year sexually abusive relationship. Years later Martin wrote a book about his experiences during and after the abuse, including its aftermath in his adult life and relationships. The Tricky Part: A Boy’s Story of Sexual Trespass, A Man’s Journey to Forgiveness, won a 2005 Barnes and Noble Discover Great New Writers Award and a 2005 Lambda Literary Award. Martin was also awarded a 2004 OBIE and two Drama Desk Nominations for his one-man play, The Tricky Part, based upon his award-winning memoir. He lives in New York City with his long-time partner, Henry.