 Boyer went to Broadway, where he made his first appearance in "Red Gloves" (1948–49), based on Dirty Hands by Jean-Paul Sartre, which went for 113 performances.In 1951, he appeared on the Broadway stage in one of his most notable roles, that of Don Juan, in a dramatic reading of the third act of George Bernard Shaw's "Man and Superman".This is the act popularly known as "Don Juan in Hell".