Henry Blackstone

Wallace Campbell

Corbett

Kenneth Colley

Chief Supt. Baldwin

Hugh Cross

Tony Lambert

David Dundas

Bill Dobson

George Innes

Geoff Baines

John Malcolm

Mrs. Lambert

Carmel McSharry

Sheila Bannister

Daphne Oxenford

Director

Michael Apted

Producer

Harry V. Kershaw

Writer

Martin Worth