(in credits order)
- Fred West(archive footage)
- Rosemary West(archive footage)
- Paul Britton(as Professor Paul Britton)
Rest of cast listed alphabetically
- John Bennett(archive footage)
- Scott Canavan(archive footage)
- Alison Chambers(archive footage)
- Bernard Knight(archive footage) (as Professor Bernard Knight CBE)
- Darren Law(archive footage)
- Janet Leach(archive footage)
- Shirley Robinson(archive footage)
- Hazel Savage(archive footage) (voice)
- Heather West(archive footage)
