Myrna Loy

Annemarie, aka Fräulein Doktor and Helena Bohlen

George Brent

Douglas Beall

Lionel Atwill

Herr Von Sturm

C. Henry Gordon

Ali Bey

Rudolph Anders

Karl (as Rudolph Amendt)

Mischa Auer

Ameel Roberts

Leo G. Carroll

Kruger, #117 aka Bertram Church (uncredited)

Sam Wood