On screen
Cast
11 credited performers
John Loder
Capt. Rufus Grant
Noel Madison
Dr. Klee
Artwork unavailable
Belle Chrystall
Nora Grayson
Artwork unavailable
Leonora Corbett
Herlaine Frank
Jerry Verno
Hugo Guppy
Artwork unavailable
Davina Whitehouse
Polly
Eliot Makeham
Professor Grayson
Artwork unavailable
Alexander Sarner
Mr. Vander
Artwork unavailable
Melville Crawford
Pete Voss
Nigel Barrie
Colonel Lockwood
Artwork unavailable
Carl Melene
Monsieur Buckner