출연진
Gordon Harker
Inspector Hornleigh
Alastair Sim
Sergeant Bingham
Phyllis Calvert
Mrs. Wilkinson
Edward Chapman
Mr. Blenkinsop
Charles Oliver
Dr. Wilkinson
Raymond Huntley
Dr. Kerbishley
Percy Walsh
Inspector Blow
David Horne
Commissioner
Peter Gawthorne
Colonel
Wally Patch
Sergeant Major
Betty Jardine
Daisy
O.B. Clarence
Professor Mackenzie
John Salew
Mr. Tomboy
Cyril Cusack
Postal Sorter
Bill Shine
Hotel Porter
Sylvia Cecil
Edward Underdown
Marie Makino
Richard Cooper
Noel Dainton
Corporal
Arthur Denton
Train Guard