The Third Key Characters

Characters played by Jack Hawkins

• Detective Superintendent Tom Halliday

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Characters played by John Stratton

• Detective Sergeant Ward

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Characters played by Dorothy Alison

• Mary Halliday

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Characters played by Michael Brooke

• Tony Halliday

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Characters played by Sam Kydd

• Police Constable in Information Room

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Characters played by Glyn Houston

• Detective Sergeant in 'Q' car

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Characters played by Richard Leech

• Nightwatchman

• Gilson

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Characters played by Newton Blick

• Deputy Commander

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Characters played by Geoffrey Keen

• Chief Superintendent Jim Malcolm

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Characters played by Sydney Tafler

• Stone

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Characters played by Peter Burton

• Creasey

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Characters played by George Rose

• Slob

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Characters played by Arthur Rigby

• Detective Inspector at Chester

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Characters played by Ralph Truman

• Colonel Blenkinsop

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Characters played by Ian Bannen

• The Young Workman - Stanley James

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Characters played by Maureen Davis

• The Young Workman's Wife - Mrs. James

Characters played by John Warwick

• Detective Inspector at Shipping Office

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Characters played by Joss Ambler

• Cashier at Shipping Office

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Characters played by Barry Keegan

• Detective Constable in Hospital Ward

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Characters played by Alec McCowen

• House Surgeon

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Characters played by Harry Locke

• Secondhand Dealer

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Characters played by Nicholas Parsons

• Police Constable Bates

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Characters played by Warwick Ashton

• Newspaper Circulation Manager

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Characters played by Ursula Howells

• Mrs. Elliot

• Mrs. Gilson

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Characters played by David Davies

• Welsh Police Constable

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Characters played by Julie Milton

• Welsh Newsagent's Daughter

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Characters played by Meredith Edwards

• Mr. Thomas

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Characters played by Harold Goodwin

• Official at Somerset House

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Characters played by John Welsh

• House Agent at Shepperton

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Characters played by Gillian Webb

• Housewife at Shepperton

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Characters played by Maureen Delaney

• Mrs. Stevens

• the daily help

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Characters played by Jameson Clark

• Detective Superintendent Ogilvie

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Characters played by William Mervyn

• Manager of Festival Hall

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Characters played by Vincent Ball

• P.C. at Hospital

Characters played by Dennis Carnell

• Supervisor

Characters played by Edward Cast

• Policeman Constable - Information Room

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Characters played by Michael Collins

• Detective in 'Q' Car

Characters played by Richard Davies

• Detective

Characters played by Fred Davis

• Police Radio Reporter

Characters played by Jack Dearlove

• Shipping Office Clerk

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Characters played by Robert Gregory

• Detective shadowing Creasey

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Characters played by Fred Griffiths

• Barman

Characters played by Patrick Halpin

• Policeman

Characters played by Aidan Harrington

• Police Photographer

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Characters played by Frazer Hines

• Urchin

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Characters played by George Holdcroft

• Police Administrator

Characters played by Lindsay Hooper

• Police Administrator

Characters played by Arthur Howell

• Policeman

Characters played by Stratford Johns

• Constable

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Characters played by David Lodge

• Detective at Car Lot

Characters played by Colin McKenzie

• Police Administator

Characters played by Jack McNaughton

• Newspaper Circulation Manager (Manchester)

Characters played by Robert Moore

• Sergeant at Bow Street Police Station

Characters played by Fred Nicholas

• Detective in 'Q' car

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Characters played by John Paul

• Police Radio Operator

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Characters played by Roy Purcell

• Fingerprint Man

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Characters played by Charles Rayford

• Milkman

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Characters played by Anthony Richmond

• Child

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Characters played by Pat Ryan

• Shop Assistant

Characters played by Guy Standeven

• Detective

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Characters played by Philip Stewart

• Man at Somerset House

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Characters played by Frederick Treves

• Detective tailing Creasey

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Characters played by Peter Welch

• CID Man

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Characters played by Meadows White

• Burglar Alarm Engineer

Characters played by John Wilder

• Detective

Characters played by Sonnie Willis

• Police Driver

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Characters played by Martin Wyldeck

• Officer in Criminal Records Department