- Unknown:
- Georges Simenon
- Translated By:
- Norman Denny
- Unknown:
- Howard Agg
- Unknown:
- Malcolm Hayesand Haydn Jones
- Produced By:
- Martyn C. Webster
- Frank Musak:
- Haydn Jones
- Dave Galloway,:
- Malcolm Hayes
- Mrs Hawkins:
- Mary Wimbush
- First Officer:
- Stuart Nichol
- Second Officer:
- Tommy Duggan
- Lieutenant Hunneker:
- Leroy Lingwood
- Joe Alwyn:
- Kim Grant
- Ray Stevens:
- Ronald Wilson
- Bob Riley:
- John Glen
- Radio announcer:
- Stephen Thorne
- Miss Lucas:
- Isabel Rennie
- Inspector Grant:
- Michael McClain
- Wilbur Lane:
- Patrick Barr
- District Attorney:
- Frederick Treves
- Ben Galloway:
- Nigel Graham
- Everett Temple:
- Gordon Faith
