- Unknown:
- David Wickes
- Unknown:
- Philip Madoe
- Unknown:
- Brendan Price
- Unknown:
- Vivien Heilbron
- Designer:
- Humphrey Jaeger
- Unknown:
- Dave Jewitt.
- Unknown:
- Ron Edmonds
- Editor:
- Bernard Ashby
- Unknown:
- Fred Hamilton
- Produced By:
- Philip Hinchcliffs
- Directed By:
- David Wickes
- Hackett:
- Patrick Mower
- Geoffrey Wyatt:
- Max Wall
- Ray Smith and:
- Lance Percival
- Det-Supt Steve Hackett:
- Patrick Mower
- Det Chief Supt Tate:
- Philip Madoc
- Det-Sgt Frank Bonney:
- Brendan Price
- Det-Sgt Louise Colbert:
- Vivien Heilbron
- Jack Sissons, MP:
- Ray Smith
- Labour Party agent:
- Brian Glover
- John Perry:
- Peter Childs
- Lloyd Johnson:
- Lance Percival
- Sandra:
- Toni Palmer
- Minister:
- Ted Moult
- Det-Con Fletcher:
- Grahame Mallard
- Jimmy Hackett:
- Simon Mower
- Superintendent:
- John Franklyn-Robbins
- Chief Constable:
- Antony Carrick
- PPS:
- David Horovitch
- Psychologist:
- John Quayle
- CID men:
- John York
- CID men.:
- Graham Padden
- Companion:
- Jason Kemp
- Barman:
- Alan Troy
- Paul Wyatt:
- Christopher Cregan
