Jack Hawkins

Supt Tom Halliday

John Stratton

Sergeant Ward

Dorothy Alison

Mary Halliday

Michael Brooke

Tony Halliday

Sam Kydd

Police Const...

Glyn Houston

Detective Se...

Richard Leech

Nightwatchma...

Newton Blick

Deputy Commander

Geoffrey Keen

Chief Superi...

Sydney Tafler

Stone

Peter Burton

Creasey

George Rose

Slob

Arthur Rigby

Detective In...

Ralph Truman

Colonel Blenkinsop

Ian Bannen

The Young Wo...

Maureen Davis

The Young Wo...

John Warwick

Detective In...

Joss Ambler

Cashier at S...

Barry Keegan

Detective Co...

Alec McCowen

House Surgeon

Harry Locke

Secondhand Dealer

Nicholas Parsons

Police Const...

Warwick Ashton

Newspaper Ci...

Ursula Howells

Mrs. Elliot ...

David Davies

Welsh Police...

Julie Milton

Welsh Newsag...

Meredith Edwards

Mr. Thomas

Harold Goodwin

Official at ...

John Welsh

House Agent ...

Gillian Webb

Housewife at...

Maureen Delaney

Mrs. Stevens...

Jameson Clark

Detective Su...

William Mervyn

Manager of F...

Vincent Ball

P.C. at Hosp...

Richard Davies

Detective (u...

Frazer Hines

Urchin (unc...

Stratford Johns

Constable (u...

David Lodge

Detective at...

Guy Standeven

Detective (u...

Frederick Treves

Detective ta...

Peter Welch

CID Man (unc...

Martin Wyldeck

Officer in C...

Dennis Carnell

Edward Cast

Michael Collins

Fred Davis

Jack Dearlove

Robert Gregory

Fred Griffiths

Patrick Halpin

Aidan Harrington

George Holdcroft

Lindsay Hooper

Arthur Howell

Colin McKenzie

Jack McNaughton

Robert Moor

Fred Nicholas

John Paul

Roy Purcell

Charles Rayford

Anthony Richmond

Pat Ryan

Philip Stewart

Meadows White

John Wilder

Sonnie Wills