A Russian prince disguised as a worker and a cafe singer secretly involved in revolutionary activities fall in love.
Nelson Eddy
as Prince Peter Karagin, aka Peter Teranda
Ilona Massey
as Lydia Marakova
Charles Ruggles
as Nicki Popoff
Frank Morgan
as Ivan Danchenoff
Lionel Atwill
as Professor Marakov
C. Aubrey Smith
as General Karagin
Joyce Compton
as Masha
Dalies Frantz
as Dimitri Marakov
Phillip Terry
as Lieutenant Smirnoff
Walter Woolf King
as Michael Sibirsky
Frederick Worlock
as Ramensky
Abner Biberman
as Leo Proplinski
