- Writer:
- Patrick Alexander
- Series devised by:
- Evelyn Frazer
- Music composed and conducted by:
- Don Banks
- Film cameraman:
- John McGlashan
- Film editor:
- James Colina
- Designer:
- Malcolm Goulding
- Producer:
- Patrick Dromgoole
- Harry Moxwell:
- Neil McCarthy
- Mac:
- Jack Le White
- Bill Kennedy:
- Thomas Gallagher
- Ted:
- Ivor Salter
- Monty:
- Horace James
- Joe:
- Freddie Earlle
- Brooks:
- Victor Brooks
- Chief Det-Superintendent Evans:
- Conrad Phillips
- Jenny Ryle:
- Penny Lister
- Det-Sergeant Harris:
- Robert James
- Dr Martin Westlake:
- Basil Sydney
- Angus MacCrae:
- Ian MacNaughton
- Mrs Maxwell:
- Anna Wing
- Manager:
- Frederick Peisley
- Leo Maxwell:
- Joan Hooley
- Girl technician:
- Madeline Blakeney
- Midwife:
- Sheila Manahan
- Public Health Inspector:
- John Barrett
- Cold Storeman:
- Neil Wilson
