Cast from Pilot X
John Carroll
Jerry Blackwood
Lona Andre
Helen Gage
John Elliott
Doctor Norris
Henry Hall
Henry Goering
Leon Ames
Carl Goering
Willard Kent
Inspector Gallagher
Pat Somerset
Capt. Roland Saunders
Reed Howes
Lieut. John Ives
Wheeler Oakman
Lieut. Douglas Thompson
Gaston Glass
Lieut. Rene La Rue
Hans Joby
Lieut. Baron von Guttard
Forrest Taylor
Survivor
John S. Peters
Lt. Baron von Guttard