Jane Wyman as Eve Gill

Marlene Dietrich as Charlotte Inwood

Michael Wilding as Det. Insp. Wilfried 'Ordinary' Smith

Richard Todd as Jonathan Cooper

Alastair Sim as Commodore Gill

Sybil Thorndike as Mrs. Gill

Kay Walsh as Nellie Goode

Miles Malleson as Mr. Fortesque

Hector MacGregor as Freddie Williams

Joyce Grenfell as 'Lovely Ducks'

André Morell as Inspector Byard

Patricia Hitchcock as Chubby Bannister

Ballard Berkeley as Sergeant Mellish

John Harvey as Inspector Loomis (uncredited)

Alfred Hitchcock as Man Staring at Eve on Street (uncredited)

Robert Adair as Rough Individual (uncredited)

Alfie Bass as Stage Hand with Microphone (uncredited)

Hyma Beckley as Man in Pub (uncredited)

Gordon Bell as 2nd Chauffeur (uncredited)

Gerald Case as Policeman (uncredited)

Robert Cawdron as Policeman (uncredited)

Cyril Chamberlain as Detective Sgt. Loomis (uncredited)

Ann Codrington as Helper (uncredited)

Brenda Cowling as Plump RADA Girl (uncredited)

Harold Coyne as Extra (uncredited)

Basil Cunard as Mr. Tippett (uncredited)

Nuna Davey as Masculine Woman (uncredited)

Petra Davies as RADA Girl (uncredited)

Howard Douglas as 3rd Chauffeur (uncredited)

Josephine Douglas as Valerie (uncredited)

Frank Duncan as News Photographer (uncredited)

Norman Fisher as Garden Party Audience (uncredited)

Susanne Gibbs as Little Girl (uncredited)

Helen Goss as Miss Tippett (uncredited)

Everley Gregg as Charlotte's Dressmaker (uncredited)

Irene Handl as Mrs. Mason (uncredited)

Arthur Howard as Groves - Charlotte's Butler (uncredited)

Lionel Jeffries as Bald RADA Student (uncredited)

Kenneth Kove as Meek Little Man (uncredited)

Joe Linnane as Liveried Doorman (uncredited)

Jack Mandeville as Garden Party Audience (uncredited)

Howard Marion-Crawford as 1st Chauffeur (uncredited)

Sidney Monckton as Stage Manager (uncredited)

Edna Morris as Plump Woman (uncredited)

Reginald Purdell as Police Car Driver (uncredited)

Louie Ramsay as Young Woman (uncredited)

Peggy Scott Sanders as Passerby (uncredited)

Leonard Sharp as Stage Doorkeeper (uncredited)

Jean Shepherd as Fitter (uncredited)

John Tatham as Garden Party Guest (uncredited)

Dennis Vance as 2nd Detective (uncredited)

Digby Wolfe as Assistant Stage Manager (uncredited)

David Ellis as Dancer in Opening Sequence (uncredited)

Linda King as Garden Party Barker (uncredited)

James Maclaren as Stage Singer (uncredited)

Colin Morton as Garden Party Barker (uncredited)

Paddy Smith as Garden Party Audience (uncredited)