In an effort to be able to afford expensive treatment for her gravely ill American husband, a retired German entertainer returns to the cabaret as Blonde Venus and catches the eye of a wealthy politician.

Marlene Dietrichas Helen Faraday, aka Helen Jones
Herbert Marshallas Edward 'Ned' Faraday
Cary Grantas Nick Townsend
Dickie Mooreas Johnny Faraday
Gene Morganas Ben Smith
Rita La Royas 'Taxi Belle' Hooper
Robert Emmett O'Connoras Dan O'Connor
Sidney Toleras Detective Wilson
Morgan Wallaceas Dr. Pierce
Al Bridgeas Bouncer (uncredited)
Bert Glennon