Ann Blyth

Character: Kathie Ruder

Edmund Purdom

Character: Prince Karl Franz

John Ericson

Character: Count Von Asterburg

Louis Calhern

Character: King of Karlsberg

Edmund Gwenn

Character: Prof. Juttner

S.Z. Sakall

Character: Joseph Ruder

Betta St. John

Character: Princess Johanna

John Williams

Character: Lutz

Evelyn Varden

Character: Queen

John Hoyt

Character: Prime Minister

Richard Anderson

Character: Lucas

Mario Lanza

Character: Prince Karl (singing voice)

Steve Rowland

Character: Feuerwald