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