- Narrator (Science All Around):
- Fergus O'Kelly
- Producer (Science All Around):
- Michael Coyle
- Writer (Going to Work):
- David Campton
- Script Consultant (Going to Work):
- B.L. Bate
- Producer (Going to Work):
- John Parry
- Tim:
- Charles Lamb
- Warbush:
- Duncan McIntyre
- Wally:
- Peter Cleall
- Fran:
- Johanna Cassidy
- Youth Employment Officer:
- Edward Phillips
- Louise:
- Barbara Mitchell
- Mum:
- Sheila Houston
- Writer (La Chasse au Tresor):
- Michel Faure
- Music (La Chasse au Tresor):
- John Hosier
- Producer (La Chasse au Tresor):
- Ronald Smedley
- Dominique:
- Sylvia Declercq
- Patrick:
- Philippe Paulino
- Le Boulanger:
- Jean-Pierre Gerard
- Le Chatelain:
- Max Doria
- Narrateur:
- Emile de Harven
