On screen, he is best remembered for On the Town, in which he co-starred with Frank Sinatra and Gene Kelly as sailors on leave in New York City.

Munshin was born in New York City and began in show business shortly after graduating from high school.

[1] In 1946 he joined the Broadway show Call Me Mister which dealt with the issues that servicemen encountered with return to civilian life.

He appeared in such Metro-Goldwyn-Mayer musicals as Easter Parade (1948), Take Me Out to the Ball Game (1949), On the Town (1949) and Silk Stockings (1957).

In August 1958 he appeared at the Aldwych Theatre in London's West End in a run of George Tabori's play Brouhaha with Peter Sellers in the lead role and also featuring Lionel Jeffries.