Ed Nelson
Dr. Paul Kettering
Cornelius Keefe
Senator Walter K. Powers
Jody Fair
Elaine Cameron
Phil Posner
Sheriff
Orville Sherman
Mayor Cameron
Hampton Fancher
Zombie (uncredited)
Leonard Nimoy
Professor Cole
Joanna Lee
Alice Summers
Alan Jay Factor
Glenn Cameron
David Hughes
Dr. Wyler
Robert Ball
Dan Walker
Henry Randolph
Telegrapher
Doug Banks
Doctor
Saul Bronson
Prof. Helsingman
