Dennis McCarthy

as Boatman

as Guard

as Ballistics Man

as Doctor

as Mafioso Walking (uncredited)

as Porter

as Dave Walbrook

as Joe

as Leonard Robbins

as Lamb

as Hal Collins

as Ed Finney

as Editor

as Dr. Caleb Fiske

as Mike Whitney

as Captain Melton

as Schultz

as Col. Macklin

as George Blake (lab assistant)

as Lance Corporal