Diretor/a
Basil Dearden
DIRETOR/A
Elenco (na ordem dos créditos)
George Cross
Spike O'Neill
Walter Fitzgerald
Barney Stevens
William Fox
Inspector Armitage
Leslie Harcourt
Nobby Clark
Patricia Hilliard
Lucille
Angela Kirk
Moira Lethbridge
Sidney Pointer
Detective Sergeant White
John Ruddock
Porter
Walter Schofield
Detective Sergeant Thomas
Norris Stayton
Second Officer
Hugh Thurston
First Officer
Ann Trevor
ATOR
C. Jervis Walter
Professor Lethbridge
Henry Willis