He had a half-moon shaped scar on his left cheek caused by a bicycle accident he had as a young boy.
He and his younger brother appeared together in a vaudeville act.
He graduated from the University of Pittsburgh with a degree in economics.
He was due to play the male lead opposite Judy Garland in Easter Parade, but broke his ankle playing volleyball. He withdrew from the film and encouraged Fred Astaire to come out of retirement to replace him.
He had a fever of 103 degrees while filming the movie scene he is most famous for.
He directed the dueling Barbra Streisand and Walter Matthau in Hello, Dolly!