as Samuel Keifer
as Professor Sorvad
as Dr. Keith Simms
as Julian Roberts
as Dr. Bennett
as Engineer
as Dr. Philip Grigg
as Ed Jarvis
as Mr. Scanlon
as Dr. Greg Miller
as Lionel Huxley
as Richard Barwell
as Leutnant Hicks
as Gervaise de Lutrelle
as Hugo Brayford
as Solicitor
as The Hon. W. H. Lyttelton
