- Writer:
- Patrick Alexander
- Series devised by:
- Evelyn Frazer
- Music composed and conducted by:
- Don Banks
- Film cameraman:
- John McGlashan
- Film editor:
- Valerie Best
- Designer:
- Stephen Bundy
- Producer:
- John Warrington
- Viv:
- Vanda Godsell
- Bert Fuller:
- John Dearth
- Amy Walsh:
- Brid Lynch
- Police Sergeant:
- Fred McNaughton
- Terence Langley:
- Barrie Ingham
- Det-Inspector Johnson:
- David Davies
- Det-Sergeant Harris:
- Robert James
- Chief Det -Superintendent Evans:
- Conrad Phillips
- C.I.D. detective:
- Wilfrid Carter
- Sailing club secretary:
- Maurice Hedley
- Dr Martin Westlake:
- Basil Sydney
- Penny:
- Barbara Roscoe
- Mortuary attendant:
- Raymond Hodge
- Angus MacCrae:
- Ian MacNaughton
- Laboratory technician:
- Madeline Blakeney
- Publican:
- Bartlett Mullins
- Publican's wife:
- Chris Castor
- Customer in pub:
- Owen Berry
- Customer in pub:
- Desmond Cullum-Jones
- Customer in pub:
- John Lewis
- Customer in pub:
- Doel Luscombe
- Scrap dealer:
- David Grahame
- Taxi driver:
- John Citroen
