Discover
Howard Duff
Dave Pomeroy
Linda Cristal
Dr. Paula Stevens
Stephen McNally
James Kincade
Nehemiah Persoff
August Best
Anne Jeffreys
Myra Pryor
Oscar Beregi Jr.
Dr. Paul Cerbo
Gregory Morton
Steadman
Dennis Hopper
Goff
George Barrows
Ernest
John Hoyt
Dr. Milton Becker
Steve Franken
Hal Johnson
Mike Farrell
Dick Blaine
Stanley Clements
Albert
Rush Williams
Reporter
Eilene Janssen
Information Clerk
Wesley Lau
Lt. Brady
George Sawaya
Karl Sinden (Mr. X)