- Writer:
- Francis Durbridge
- Producer:
- Martyn C. Webster
- Johnny Washington:
- Bernard Braden
- Inspector Marlow:
- Ivan Samson
- Harry:
- David Kossoff
- Ricky Mendoza:
- Ian Sadler
- Judy West:
- Madeline Durrant
- Virginia:
- Marjorie Mars
- Tommy Phipps:
- Frank Atkinson
- Dave Edwards:
- Raf de la Torre
- Mrs Gimble:
- Ina M Allan
- First man:
- Andrew Faulds
- Second man:
- Malcolm Hayes
- Waiter:
- Alastair Duncan