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
