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