นักแสดง
Theodore von Eltz
Col. Marvin Page
Pierre Watkin
Colonel Wilson
William Worthington
Senator in the Dome Cafe
Frank M. Thomas
Col. John Shaw
Alec Craig
Canby
Richard Tucker
Colonel at Explosion
Pat O'Malley
Intelligence Service Man
Spencer Charters
Lucius Wilkins
Bess Flowers
Plane Crash Spectator
Addison Richards
Senator Everett Brock
Leona Roberts
Ella Wilkins
Bud Geary
Policeman
Christian J. Frank
Henchman Tailing Irene
Mike Lally
Henchman
Grady Sutton
Quiet Man on Train
Sally Eilers
Irene Eaton a.k.a. Margaret Brennan
Stanley Blystone
Detective
Harold Miller
Bar Patron at Club Dome
Howard M. Mitchell
Police Captain
Fritz Leiber
Dr. Krull
Charles Halton
Beldon
Robert Fiske
Davis
Allan Lane
George Wolf / James Huntley
Larry J. Blake
Ben Dawson
Louis Jean Heydt
Gillian