Val Guest

Director, Writer

Terence Morgan

Inspector Brown

Yolande Donlan

Jill Wilson

André Morell

Robert Pitt

Ursula Howells

Antonia Pitt

Anthony Oliver

Inspector Newcombe

Guido Lorraine

Pietr Revski

Reginald Beckwith

Harold

Basil Dignam

Wing Commander Riddle

Raymond Rollett

Sir Robert Rosper

Fred Johnson

Professor Robinson-Heston

Arnold Marlé

Karl Kopek

Mark Dignam

Prison Governor

John Horsley

Assistant Commissioner

Barry Lowe

Eric Colter

Diana Lambert

Young Woman

Jim Brady

Nick's Thug

Dan Cressey

Police Constable at HQ

Richard Cuthbert

Judge