Jewel Robbery

William Powell

The Robber

Kay Francis

Baroness Teri Hohenfels

Helen Vinson

Marianne Horn

Hardie Albright

Paul

Henry Kolker

Baron Franz Hohenfels

Spencer Charters

Johann Christian Lenz

Lee Kohlmar

Hollander

André Luguet

Count Andre

Clarence Wilson

Prefect of Police

George Davis

Polacheck, the President's Secretary (uncredited)

Ivan Linow

Chauffeur (uncredited)

Alan Mowbray

Detective Fritz

Charles Coleman

Charles (uncredited)

Ruth Donnelly

Berta, Teri's Maid (uncredited)

Lawrence Grant

Professor Bauman (uncredited)

Don Brodie

Robber (uncredited)