Squadron Leader Charles Wyatt
Dr. Paul Venner
Dr. Lawrence 'Larry' Stevens
Howard Joyce
Inspector Thornton
McDowell
Abbott
Joe Garvey
Philo Vance
Hiram Rogers
Sir William Clintock
Sir Thomas Egerton
Senor De La Torre
Dr. Anton Rader
Jim Ralston
Major Henri de Beaujolais
Colonel Tillman
British Military Intelligence Agent
Fingers
Gerald Trask
Dr. George Vanders
Jim Cameron
Dr. Mansfield
Bill Stevens
Col. Armand Lucien
Stephen Gore
Challon
Major Thompson
Prof. Landis
Thomas Bradford
Phillip Corey
