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