as Col. Peck
as Police Chief
as Albert Martino (as James Callahan)
as David Brody
as FBI Agent (uncredited)
as Berlin Hughes
as Doctor Houser
as Mr. Bowman
as Reg Hanley
as Dennis Reilly
as Gen. Almond
as Sam Chapman
as Walt Lawson
as Arliss
as Al Kramer
as Garland Dupree
as Principal Watson
as Phil
as Father O'Neill
as Randolph Brascoe
as Chief Massey
as Father Quinn
as Fillmore
as Robert Truesdale
as Test Director
as David Powers, Special Assistant to the President
as Samuel Cavanaugh
as The Producer
as Sheriff
as Walter Ames
as Kirby
as Dr. Fallone
as Dr. Yates Atkinson
as Richard Lenk
as Richard Schaefer
as Jury Foreman
as Everett
as Tommy Gillis
as Doug Kirk
as Sheriff Bruckner
as Jeff Barnes
as Erhardt
as Jim
as Oliver
as Malcolm Gordon
as Police Officer Wilson
as Fred Carlyle
as Leslie Hartman
as Ed Gidney
as Dr. Harry Mills
as Reicher
as Walter Powell
as Major Ted Fowler
as Emmett DeVore
as Andrew Henderson
as Ensign Beard
as Russ Haynes
as Joe Donovan
as Private Riggs (as James Callahan)
as Miles Wellman
as Trevor Wayne
as Uncle Bob
as Josh
as Man in Bookstore
as Father Mulligan
as Ted Baylor
as Mayor Paisley
as Bill
as Detective Floyd Wright
as Lew Farragut
as Sgt. Hal Grady
as Moxey
