Terence Morgan

Inspector Ralph Brown

Yolande Donlan

Jill Wilson

André Morell

Robert Isaac Pitt

Reginald Beckwith

Harold

Ursula Howells

Antonia Pitt

Basil Dignam

Wing Commander Riddle

Fred Johnson

Professor Robinson-Heston

Arnold Marlé

Karl Kopek

Mark Dignam

Prison Governor

John Horsley

Assistant Commissioner