cast
-
Emrys Jones
Robert Matthews / John Barlow
-
Zena Marshall
Ann Farrington
-
John Horsley
Inspector Clements
-
Joan Hickson
Mrs. Fenton
-
Hector Ross
Canning
-
Roger Maxwell
Col. Hector Smythe
-
Marne Maitland
Heinz
-
Ian Fleming
Dr. Wilson
-
Frederick Piper
Thomas Pritchard
-
George Pastell
Ferrari
- Lesley Deane Mrs. Smythe
- Victor Platt Sergeant