Diretor/a
Daphne Shadwell
DIRETOR/A
Elenco (na ordem dos créditos)
Trevor Bannister
Peter Barry
Margaret Neale
June Challis
Arthur White
Keeler
Ralph Nossek
Professor Ramsay
Brandon Brady
Brian Barclay
Julian Somers
Sir John Chandos
Toni Gilpin
Terry
Denys Peek
Robert Duncan
William Abney
Ian Murray
Barry Lowe
Dr. O'Toole
David Saire
Dallier
Terence Woodfield
The Voice
Paul Armstrong
Premier Petrov
Roy Herrick
Radio operator