- Writer:
- Ronald Millar
- Based on the novel by:
- C.P. Snow
- Producer:
- John Jacobs
- Designer:
- John Cooper
- Thomas Crawford, Sc.D., F.R.S.:
- Felix Aylmer
- G.H. Winslow, M.A.:
- Gerald Cross
- Arthur Brown, M.A.:
- David Horne
- Alec Nightingale, Sc.D.:
- Michael Goodliffe
- Donald Howard, Ph.D:
- Alan Dobie
- Sir Lewis Eliot, K.B.E., M.A.:
- John Clements
- Club Steward:
- Alfred Hoffman
- Tom Orbell, M.A.:
- Nigel Stock
- Laura Howard:
- Sheila Allen
- Sir Francis Getliffe, C.B.E., Sc.D., F.R.S.:
- Cyril Luckham
- Martin Eliot, Ph.D:
- Peter Howell
- Lester Ince, M.A.:
- Anton Rodgers
- Julian Skeffington, M.A.:
- Michael Atkinson
- M.H.L. Gay, M.A., F.B.A., Hon.Litt.D.:
- Harold Scott
- Margaret Eliot:
- Edith MacArthur
- Schoolboy:
- John Hall
- Schoolboy:
- Max Macson
- Newby:
- Hamish Roughead
- Gilbert Dawson-Hill, M.A., Q.C.:
- Richard Hurndall