Kadro (14)
Kay FrancisTanya Borodoff aka Spot White / Marjorie Lang
Ricardo CortezTony Evans
Warner OlandNick
Lyle TalbotDr. Gregory Burton
Ruth DonnellyMrs. George Peters
Lucien LittlefieldGeorge Peters
Reginald OwenPolice Commissioner Col. Thomas Dawson
Etienne GirardotMr. Abernathie
David TorrenceCapt. McAndrews
Rafaela OttianoMadame Lacalles
Halliwell HobbesCol. Dawson Ames
Bodil RosingMrs. Kleinschmidt
Herman BingProf. Kleinschmidt
Hobart CavanaughPurser (uncredited)