- Writer/Producer:
- Phil Redmond
- Director:
- Robert Gabriel
- ACC (Admin):
- Alister Cameron
- ACC (Ops):
- Denis Lill
- DI Banston:
- David Ashton
- Cissy Barker:
- Eileen Nicholas
- PC Ronnie Barker:
- Brian McCardie
- Boat dealer:
- Robert Whelan
- Chief Supt Briscoe:
- Bruce Alexander
- WDS Jackie Byrnes:
- Eve Bland
- Brian Dawes:
- Martin Matthews
- Supt Peter Fallows:
- Rupert Frazer
- Helen:
- Gillian Kearney
- Chief Supt Don Henderson:
- John Ashton
- PC 'Jacko' Jackbridge:
- Ray Polhill
- DI Cyril Jacobs:
- Roger Walker
- WDC Jane Long:
- Helena Little
- Barbara Mathews:
- Lesley Nicol
- Det Supt Frank Mathews:
- Geoffrey Leesley
- DS 'Mocker' McVay:
- Mark Moraghan
- PC Geoff Morgan:
- Gordon Cameron
- PC Bob 'Snake' Nelson:
- Richard Good
- Sergeant Trevor Simon:
- Stuart Golland
