Kathie Ruder
Ann Blyth
Prince Karl Franz
Edmund Purdom
Lucas
Richard Anderson
Prince Karl (singing voice)
Mario Lanza
Feuerwald
Steve Rowland
Count Von Asterburg
John Ericson
King of Karlsberg
Louis Calhern
Prof. Juttner
Edmund Gwenn
Joseph Ruder
S.Z. Sakall
Princess Johanna
Betta St. John
Lutz
John Williams
Queen
Evelyn Varden
Prime Minister
John Hoyt
Director
Richard Thorpe
Original Music Composer
George Stoll
Screenplay
Sonya Levien
Producer
Joe Pasternak
Choreographer
Hermes Pan
Theatre Play
Wilhelm Meyer-Förster
William Ludwig
Lyricist
Paul Francis Webster
Songs
Sigmund Romberg
Dorothy Donnelly
Director of Photography
Paul Vogel
Sound
Kendrick Kinney
Book
Music