- Writer:
- Sidney Nelson
- Writer:
- Maurice Harrison
- Character created by:
- Edgar Wallace
- Designer:
- Douglas Smith
- Producer:
- Eric Fawcett
- 'Educated' Evans:
- Charlie Chester
- Mrs. Boltons:
- Dorothy Summers
- Det.-Sgt. Miller:
- Jack Melford
- First Cafe customer:
- Carl Lacey
- Second Cafe customer:
- Alec Foster
- Female Customer:
- Anita Sharp Bolster
- Man in the Pub:
- Michael Balfour
- Bookstall Assistant:
- Gerald Case
- Railway Porter:
- Frank Atkinson
- Female Porter:
- Enid Lowe
- Gertrude:
- Myrtle Reed
- Policeman:
- Basil Beale
- Police Sergeant:
- Hugh Stewart
- Inspector Pine:
- Keith Pyott
- Policewoman:
- Shirley Patterson
- The Bundle:
- Perry Balfour