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