- Writer:
- John Chapman
- Settings:
- Rhoda Gray
- Music composed by:
- Tommy Watt
- Director:
- Darcy Conyers
- Bert Rix:
- Brian Rix
- Dr Blinker:
- Leo Franklyn
- Tommy:
- Basil Lord
- Sydney Keen:
- Terry Scott
- Telephone operator:
- Hazel Douglas
- Factory foreman:
- Stuart Sherwin
- Miss Nolan:
- Helen Jessop
- Sir Reginald Trumper:
- Peter Pratt
- George Frampton:
- John Le Mesurier
- Charles Jones:
- Larry Noble
- Cameraman:
- Peter Mercier
- Cynthia:
- Elspet Gray
- Ted:
- John Chapman
- Charlie:
- Garth Adams
- TV producer:
- Colin Douglas
- Harry Daisy:
- Andrew Sachs
- Factory workers and TV technicians:
- Hubert Cross
- Factory workers and TV technicians:
- Linda Dixon
- Factory workers and TV technicians:
- Robert Checksfield
- Factory workers and TV technicians:
- Gerald Dawson
- Factory workers and TV technicians:
- Pearson Dodd
