Ledbetter
Dr. Ruric
Stanley Becker
Vernon Bradley, Attorney
Leo Cusick
Bruno Gruber
Fred Gates
Jerry McKay
Charlie Chan
Klaas Pool
Harry Eberhart
Col. Sokolov
Jeffrey White
Judge Bland
Sen. Burdick
Fred Copeland
Dwight Barrington
Colonel Wood
Col. Head
Sheriff Perigord
Doctor
E.J. Ransom
Dr. Graham
Capt. Bollinger
Mr. Gimbel
Alexander Tomson
Capt. Hoseason
Soviet Comissar Belov
Plommie
Gen. Andrew Danvers
Newspaperman at Trenton Town Hall (uncredited)
Sam Cooper
Ned
Manfredo Acuto
Judge
T. Hanley Brooks
Henry Drummond
The General (Piet Wetjoen)
Watkins
Ralph J. Hulen
Jeff Brubaker
Dean Bennett
Judge Ransom
Archer Bryant
Various Characters
Hubert Collinson
Ivar West