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)