Mary Ellis
— Marion Stuart / Maria Delasano / Malevo
Walter Pidgeon
— David Roberts
John Halliday
— Martan Fontes
Ruth Donnelly
— Melba York
Alan Mowbray
— Uberto Malla
Guy Bates Post
— Feodor Glinka
Samuel S. Hinds
— Guili Ruffano
Norman Foster
— Phillip Roberts
Edgar Kennedy
— Rudolf Hochstetter
Jean Rouverol
— Anita
Enrique Acosta
— Paris Cafe Guest (uncredited)
Virginia Ainsworth
— Brazilian Opera Troupe (uncredited)
Mariska Aldrich
— Brazilian Opera Troupe (uncredited)
Russ Bell
— Cab Driver (uncredited)
Ward Bond
— American Stage Manager (uncredited)
Eugene Borden
— Detective (uncredited)
Maurice Brierre
— Chauffeur (uncredited)
Don Brodie
— French Waiter (uncredited)
Rosa Caprino
— Brazilian Opera Troupe (uncredited)
Maurice Cass
— Prompter (uncredited)
Albert Conti
— Headwaiter (uncredited)
D'Arcy Corrigan
— Brazilian Opera Troupe (uncredited)
Catherine Courtney
— Brazilian Opera Troupe (uncredited)
William B. Davidson
— Detective (uncredited)
George Davis
— French Waiter (uncredited)
Anna Demetrio
— Brazilian Opera Troupe (uncredited)
Eva Dennison
— Paris Cafe Guest (uncredited)
Harry Depp
— American Tourist (uncredited)
Mario Dominici
— Stage Manager (uncredited)
Robert Du Couedic
— Detective (uncredited)