Can't Help Singing

Deanna Durbin

Caroline Frost

Robert Paige

Johnny Lawlor

Akim Tamiroff

Prince Gregory Stroganovsky

David Bruce

Latham

Leonid Kinskey

Koppa

June Vincent

Miss McLean

Ray Collins

Senator Frost

Andrew Tombes

Sad Sam

Thomas Gomez

Carstairs

Clara Blandick

Aunt Cissy

Olin Howland

Bigelow (as Olin Howlin)

George Cleveland

Marshal

Eddie Acuff

Cavalry Officer (uncredited)

Roscoe Ates

Lemuel (uncredited)

Irving Bacon

Bath House Barber (uncredited)