character - Albert Martino (as James Callahan)

character - Arliss

character - Principal Watson

character - Jury Foreman

character - Randolph Brascoe

character - Father Quinn

character - Father Mulligan

character - Samuel Cavanaugh

character - Mayor Paisley

character - Chief Massey

character - Bill

character - Oliver

character - Kirby

character - Mr. Bowman

character - Col. Peck

character - Man in Bookstore

character - Police Chief

character - Andrew Henderson

character - Judge Collins

character - Robert Truesdale

character - Dennis Reilly

character - Everett

character - Erhardt

character - Uncle Bob

character - Malcolm Gordon

character - Father O'Neill

character - Phil

character - Berlin Hughes

character - Walter Powell

character - Doctor Houser

character - Test Director

character - Dr. Fallone

character - Emmett DeVore

character - Sheriff Bruckner

character - Jeff Barnes

character - Walter Ames

character - Gen. Almond

character - Walt Lawson

character - The Producer

character - Moxey

character - Garland Dupree

character - Lew Farragut

character - David Powers, Special Assistant to the President

character - Leslie Hartman

character - Sheriff

character - Reg Hanley

character - Tommy Gillis

character - David Brody

character - Jerry

character - Fillmore

character - Jim

character - Miles Wellman

character - Sam Chapman

character - Ed Gidney

character - Dr. Harry Mills

character - Ensign Beard

character - Richard Lenk

character - Richard Schaefer

character - Dick O'Connell

character - Major Ted Fowler

character - Barnes

character - Josh

character - Russ Haynes

character - Joe Donovan

character - Reicher

character - FBI Agent (uncredited)

character - Dr. Yates Atkinson

character - Ted Baylor

character - Al Kramer

character - Doug Kirk

character - Police Officer Wilson

character - Fred Carlyle

character - Detective Floyd Wright

character - Private Riggs (as James Callahan)