Inspector Harry Martineau

Stanley Baker

Don Starling

John Crawford

Gus Hawkins

Donald Pleasence

Julia Martineau

Maxine Audley

Chloe Hawkins

Billie Whitelaw

Furnisher Steele

Joseph Tomelty

Doug Savage

George A. Cooper

Lucretia Luske

Vanda Godsell

Det. Devery

Geoffrey Frederick

Bragg

Dickie Owen

Clogger Roach

Charles Houston

Sam

Alister Williamson

Tawny Jakes

Joby Blanshard

Cecily Wainwright

Lois Daine

Laurie Lovett

Charles Morgan

Fingerprint Officer

John Harvey

Bert Darwin

Peter Madden

Commercial Traveller

Warren Mitchell

Silver Steele

Sarah Branch

Superintendent

Russell Napier

(uncredited)

Marianne Stone

Headquarters PC (uncredited)

Philip Bond

Detective in Station (uncredited)

Richard Coleman

Plainclothes Police Driver (uncredited)

John Comer

Older Sister in Hospital (uncredited)

Doris Speed

Barman (uncredited)

Reg Thomason