Dr. Leslie Gaskell
Jeff Morrow
Vera Hunter
Barbara Lawrence
Nurse
Marjorie Stapp
Gen. Perry
John Parrish
Air Force Meteorology Sergeant
Don Eitner
Air Force Control Tower Sergeant
Ron Kennedy
Sergeant
Gordon Mills
Manuel's Wife
Rosa Turich
Air Force General
Robert Shayne
Pilot
Richard Harrison
Dr. Arnold Culver
George O'Hanlon
Dr. Hubbell Eliot
John Emery
Dr. Albert Stern
Morris Ankrum
McCrary - The Pickup Driver
Kenneth Alton
Manuel Ramirez
Jose Gonzales-Gonzales
KGTK-TV Newscaster
Robert Forrest
Second Newscaster
Baxter Ward
Lab Central Security Guard
John Halloran
Director
Kurt Neumann
Producer
Makeup Artist
Louis Hippe
Director of Photography
Karl Struss
Screenplay
Lawrence L. Goldman
Story
Irving Block
Original Music Composer
Paul Sawtell
Jack Rabin
Bert Shefter
Set Decoration
Chester L. Bayhi
Walter M. Scott
Louis DeWitt
Production Design
Theobold Holsopple
Editor
Jodie Copelan
Executive Producer
E.J. Baumgarten
Wardrobe Supervisor
Richard Staub
Special Effects
Sound
James Mobley
William Reinhold
Menrad von Mulldorfer
Mary Tate
Production Manager
Herbert E. Mendelson
Louis de Witt
Gene Warren
Property Master
Max Goldman
Hairstylist
Nadine Denks