as News Alert Reporter
as Dr. Carson
as Lt. Gen. Richard K. Sutherland
as Col. Cowen
as Chalmer
as Silverstein (uncredited)
as Nogrady (uncredited)
as Colonel to Dunbar
as Dr. Ridley
as Brogan
as Thorne Abbott
as Roger Campbell
as Oliver Dunning
as Howard Hawks
as Edwin Shirley
as Gas Station Attendant
as John
as Mr. Griffin
as Patterson
as Man with Tape Recorder at Hospital (uncredited)
as Doctor at Prison
as Russ Whitman
as Jacobs
as Judge F.F. Carlson
as Assemblyman Potter
as Dr. C. F. Sears
as Judge Wheeler
as Minister
as Mr. Breckenridge
as Hotel Carlton Bartender
as His Lordship
as Dr. Haley
as Reverend Depugh
as Announcer
as Det. Marlowe
as Clerk
as Dean Hopkins
as Dr. Crump
as Dr. Diamond
as Dr. Adam Nelson
as Dr. Nelson
as Dr. Monte Diamond
as Dr. David Diamond
as Assistant
as Assistant Doctor
as Dr. Grant Nelson
as Doctor
as Dr. Carter (uncredited)
as Dr. Carter
as Neurosurgeon
as Dean Houseman
as Tolliver
as Dale Jurgenson
as Judge
as Foreign Editor
as Schlosser
as Phil Springerman
as National Editor
as Policeman
as Older Alien
as Jeffrey
as Wilmont Oliver
as Osborne
as Ronald Aives
as Mr. Perry
as Patrolman
as Mr. Lyons
as Paolo Visconti
as Manager
as Simon Grossland
as Dr. Morrow
as Dr. Block
as Desk Clerk
as Felix
as Detective
as Harold Spring
as Paul Andrews
as Mr. Bronson
as Surgeon
as Mr. Stedman
as Committee Chairman
as Carter Hendricks
as Mr. Dunham
as Dr. Dan Clark
as Personnel Manager
as 1st Senator
as Fred
as Major Domo
as Dr. Elliot
as Lancaster
as Beverly
as Mr. Wilson
as Physician
as Leroy Lowenfeld
as Ackerman