Kronos
Trailer
Diễn viên
Morris Ankrum
Dr. Albert Stern
John Halloran
Lab Central Security Guard
Robert Shayne
Air Force General
Jeff Morrow
Dr. Leslie Gaskell
John Parrish
Gen. Perry
Barbara Lawrence
Vera Hunter
George O'Hanlon
Dr. Arnold Culver
John Emery
Dr. Hubbell Eliot
Jose Gonzales-Gonzales
Manuel Ramirez
Marjorie Stapp
Nurse
Richard Harrison
Pilot