Russell Hardie

as Mr. Davison

as Gen. Stark

as Detective Lt. Byrnes

as First Guard

as Dwight Hawkins

as Captain Radford

as Gustave (uncredited)

as Tommy Braddock

as Manuel Kimball

as John 'Johnny' Kaminas

as David Langston

as Dr. Lee Andrews

as Dan Holden

as Phil Carter

as Bob Alden

as Mike O'Brien

as 2nd Lt. Hartley

as David Landeen

as John Blake

as Littledale

as Dr. Michaelson

as Ed

as Warren Creamer

as Fred Lorraine

as Ted Hackett Jr.