as

Samuel Keifer

as

Dr. Keith Simms

as

Dr. Bennett

as

Professor Sorvad

as

Lionel Huxley

as

Gervaise de Lutrelle

as

Solicitor

as

Julian Roberts

as

Mr. Scanlon

as

Dr. Philip Grigg

as

Leutnant Hicks

as

The Hon. W. H. Lyttelton

as

Richard Barwell

as

Hugo Brayford

as

Engineer

as

Dr. Greg Miller

as

Ed Jarvis