Michael John Rupert is an American actor, singer, director and composer. In 1968, he made his Broadway debut in The Happy Time as Bibi Bonnard for which he received a Tony Award nomination and the Theater World Award. Later, he starred as the title role in Pippin for three years on Broadway starting in 1974. He originated the role of Marvin in the William Finn musicals March of the Falsettos, Falsettoland and Falsettos. In 2007, he originated the role of Professor Callahan in the Broadway cast of Legally Blonde. Rupert has been the nominee and recipient of several Tony and Drama Desk awards. He won a Tony for his performance in Sweet Charity in 1986.