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