Jim Dixon
Professor Neddy Welch
Stanley
Margaret Peel
Cecil Goldsmith
Alfred Beesley
Evan Johns
Mr. Wilson
Mrs. Cutler
Celia Welch
Bertrand Welch
Christine Callaghan
Carol Goldsmith
Mr. Pringle
Julius Gore-Urqhart
Bus Conductor
Taxi Driver
Mr. Catchpole
Boy (uncredited)