character - Samuel Keifer

character - Dr. Keith Simms

character - Dr. Bennett

character - Professor Sorvad

character - Lionel Huxley

character - Gervaise de Lutrelle

character - Solicitor

character - Julian Roberts

character - Mr. Scanlon

character - The Hon. W. H. Lyttelton

character - Leutnant Hicks

character - Dr. Philip Grigg

character - Richard Barwell

character - Hugo Brayford

character - Dr. Greg Miller

character - Engineer

character - Ed Jarvis