Trailer
Cast
Lee Van Cleef
Dr. Tom Anderson
Beverly Garland
Claire Anderson
Sally Fraser
Joan Nelson
Paul Blaisdell
The Monster (uncredited)
Russ Bender
General James Pattick
Dick Miller
Sgt. Neil
Karen Kadler
Ellen Peters
Marshall Bradford
U.S. Secretary Platt
Peter Graves
Dr. Paul Nelson
Jonathan Haze
Pvt. Miguel Ortiz
Charles B. Griffith
Dr. Pete Shelton
Taggart Casey
Sheriff N.J. Shallert
Thomas E. Jackson
George Haskell
David McMahon
Gen. Carpenter