Nelson Eddy
Prince Peter Karagin, aka Peter Teranda
Ilona Massey
Lydia Marakova
Charles Ruggles
Nicki Popoff
Frank Morgan
Ivan Danchenoff
Lionel Atwill
Professor Marakov
C. Aubrey Smith
General Karagin
Joyce Compton
Masha
Dalies Frantz
Dimitri Marakov
Phillip Terry
Lieutenant Smirnoff
Walter Woolf King
Michael Sibirsky