Ian Hendry as Inspector Birkett

Ronald Fraser as Sergeant Saunders

Margaret Johnston as Mrs. Edith Gray

Natasha Parry as Perlita Barker

Jeremy Brett as Jordan Barker

Kieron Moore as Rodney Herter

Peter Arne as Hammond Barker

Jane Asher as Lindy Birkett

Rosalie Crutchley as Maude Klein

Robert Harris as William Lamotte

Duncan Macrae as Barney

Zena Walker as Mildred Birkett

James Villiers as David Dane

Alan White as Inspector Blackwell

Martin Boddey as Inspector

Marie Burke as Madame Yvonne Lavalle

Patrick Holt as Walbrook

Griffith Davies as Teddy Boy

Gabrielle Brune as Lamotte's Secretary

Peter Elliott as Waiter

Terence Brook as Detective Sergeant Carter

David Rendall as PC Jackson

Doug Robinson as Harrison

John Forbes-Robertson as Porter

Amanda Bowman as Receptionist

Neville Becker as Steward

Peter Forbes-Robertson as Police Doctor

Douglas Muir as Finger Print Expert

Norman Chappell as Police Photographer

Frank Hawkins as Ballistics Expert