On screen
Cast
26 credited performers
Gordon Harker
Inspector Hornleigh
Alastair Sim
Sergeant Bingham
Phyllis Calvert
Mrs. Wilkinson
Edward Chapman
Mr. Blenkinsop
Charles Oliver
Dr. Wilkinson
Raymond Huntley
Dr. Kerbishley
Artwork unavailable
Percy Walsh
Inspector Blow
David Horne
Commissioner
Peter Gawthorne
Colonel
Wally Patch
Sergeant Major
Artwork unavailable
Betty Jardine
Daisy
O.B. Clarence
Professor Mackenzie
John Salew
Mr. Tomboy
Cyril Cusack
Postal Sorter
Bill Shine
Hotel Porter
Artwork unavailable
Sylvia Cecil
Character not listed
Edward Underdown
Character not listed
Artwork unavailable
Marie Makino
Character not listed
Richard Cooper
Character not listed
Artwork unavailable
Noel Dainton
Corporal
Arthur Denton
Train Guard
Arthur Hambling
Joe
Allan Jeayes
Brigadeer Lloyd
Artwork unavailable
James Knight
Cinema Manager
Stuart Latham
Mr. Jennings
Artwork unavailable
George Street
Stores Sgt