Superintendent Robert Hazard

Nigel Patrick

Acting

Inspector Phil Learoyd

Michael Craig

Acting

Mildred

Yvonne Mitchell

Acting

David Harris

Paul Massie

Acting

Ted Harris

Bernard Miles

Acting

Mrs. Harris

Olga Lindo

Acting

Dr. Robbins

Earl Cameron

Acting

Paul Slade

Gordon Heath

Acting

Student

Barbara Steele

Acting

Detective Whitehead (uncredited)

Peter Vaughan

Acting

Sapphire Robbins

Yvonne Buckingham

Acting

Patsy

Jocelyn Britton

Acting

Horace Big Cigar

Robert Adams

Acting

Police Constable

Desmond Llewelyn

Acting

Lingerie Shop Manageress

Fenella Fielding

Acting

Student

Susan Stranks

Acting

Sgt. Cook

Freda Bamford

Acting

Ferris

Rupert Davies

Acting

Barman

Orlando Martins

Acting

Johnnie Fiddle

Harry Baird

Acting

Sapphire's Landlady

Grace Arnold

Acting

Man on the Street

Thomas Baptiste

Acting

Police Sgt.

Victor Brooks

Acting

Doctor Burgess

Basil Dignam

Acting

Lily

Dorothy Gordon

Acting

Newsagent's Wife

Nora Gordon

Acting

Johnnie Fiddle's Landlady

Lucy Griffiths

Acting

Girl at Tulip Club

Vanda Hudson

Acting

Nightclub Owner

Dan Jackson

Acting

Student

Philip Lowrie

Acting

Newsagent

Bartlett Mullins

Acting

Mr. Young

Philip Ray

Acting

Pianist in International Club

Lloyd Reckord

Acting

Student

John Richardson

Acting

Doctor at Crime Scene

Richard Vernon

Acting

Boy

Christopher Witty

Acting

Student (International Club)

Dolores Mantez

Acting

Bit Part

Anthony Singleton

Acting

Youth

Geremy Phillips

Acting

Woman in Street

Joan Hooley

Acting

Dancer in Nightclub

Boscoe Holder

Crew

Police Constable

George Curtis

Acting