Cast
Reginald Beckwith
University Porter
Hugh Griffith
Professor Welch
Jeremy Hawk
Bill Atkinson
John Cairney
Roberts
Terry-Thomas
Bertrand Welch
Sharon Acker
Christine Callaghan
Clive Morton
Sir Hector Gore-Urquhart
Kenneth Griffith
Cyril Johns
Ian Carmichael
Jim Dixon
Maureen Connell
Margaret Peel
Ian Wilson
Glee Singer
Penny Morrell
Miss Wilson
Jean Anderson
Mrs. Welch
John Welsh
The Principal (as John Welch)