Ivan Bonar

as Dr. Ridley

as Wilmont Oliver

as Dean Houseman

as Ackerman

as Judge

as Mr. Griffin

as John

as His Lordship

as Dr. Elliot

as Jeffrey

as Committee Chairman

as Howard Hawks

as Thorne Abbott

as Doctor at Prison

as Gas Station Attendant

as Smiley

as Carter Hendricks

as Patterson

as Paolo Visconti

as Dr. Carson

as Mr. Perry

as Beverly

as Mr. Wilson

as Chalmers

as Judge Wheeler

as Russ Whitman

as Judge F.F. Carlson

as Doctor

as Dale Jurgenson

as Judge

as Foreign Editor

as Schlosser

as Phil Springerman

as National Editor

as News Alert Reporter

as Lt. Gen. Richard K. Sutherland

as Edwin Shirley

as 1st Senator

as Simon Grossland

as Dr. Morrow

as Dr. Block

as Reverend Depugh

as Brogan

as Lancaster

as Manager

as Surgeon

as Mr. Case

as Colonel to Dunbar

as Judge

as Harold Spring

as Paul Andrews

as Dr. Haley

as Man with Tape Recorder at Hospital (uncredited)

as Fred

as Leroy Lowenfeld

as Mr. Stedman

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 Col. Cowen

as Roger Campbell

as Nogrady (uncredited)

as Mr. Bronson

as Silverstein (uncredited)

as Older Alien

as Physician

as Policeman

as Personnel Manager

as Osborne

as Ronald Aives

as Announcer

as Tolliver

as Assemblyman Potter

as Felix

as Desk Clerk

as Detective

as Dr. C. F. Sears

as Major Domo

as Oliver Dunning

as Jacobs

as Mr. Lyons

as Mr. Breckenridge

as Mr. Dunham

as Dr. Dan Clark

as Patrolman

as Minister

as Det. Marlowe

as Hotel Carlton Bartender

as Clerk

as Dean Hopkins