Armchair Thriller

Frank Duncan

Announcer (voice)

James Bolam

Mark Omney

Paul Angelis

Tom Choley

Michael Culver

Dr. Walcott Brown

Christopher Benjamin

Det. Inspector Tarrant

Michèle Winstanley

Blanche

Ian McShane

Curtis

John Bird

Cyril (uncredited)

John Shrapnel

Vincent Craig

Gerald Sim

Francis Durrant

Stephen Greif

Juan

Terence Rigby

Matthews

Malcolm Terris

Maxwell

Anton Phillips

Roger

Prentis Hancock

Desk Sergeant

David Hargreaves

Ken Holbrook

Milton Johns

Tim Kennaway

James Laurenson

Alexander Skarbek

Aimée Delamain

Mrs, Franklyn

Georgine Anderson

Mrs. Forde

Larry Lamb

CPO Chalky White

William Russell

Senior Officer

David Ellison

Naval Patrolman (uncredited)

Brenda Bruce

Sister Elizabeth

David Burke

Tom Amyas M.P.

Susan Engel

Sister Agnes

Struan Rodger

Hassel

Alan Ford

Bill

Patrick Malahide

Police Sergeant

Harry Fielder

Heavy at Rail Station (uncredited)

Alun Armstrong

Trahearne

Garrick Hagon

Walters

David Graham

Vicar

David Cann

Rodgers

Juba Kennerley

Elderly Gent in Pub (uncredited)

Denis Lawson

David Cooper

Rowena Cooper

Ruth Connors

Neville Jason

Peter

Marsha Fitzalan

Podge

Dafydd Hywel

Graves