Passing herself off as a countess, glamorous Lucy Stavrin hobnobs with the rich and famous along the French Riviera. Aware that Lucy is a phony, jewel-thief Malatroff blackmails Lucy into helping him steal the valuable necklace owned by the young wife of phlegmatic American businessman Sylvester Corbett.
as Lucy Stavrin
as Hon. Courtenay Parkes
as Malatroff
as Sylvester Corbett
as Corbett's Wife
as Enid Corbett
as Sandy Weyman
as Albert Hawkins
as Marie
as Malatroff's Victim
as Butler
as Inspector
as Gendarme
as Chauffeur