Irwin Allen Director, Producer Stuart Whitman Adm. Michael Matthews Actor Robert Wagner Brett Actor Rosemary Forsyth Lia Holmes Actor Robert Colbert Cmdr. Woody Patterson Actor Susana Miranda Elena Actor Burr DeBenning Aguila Actor Richard Basehart The President Actor Joseph Cotten Dr. Ziegler Actor James Darren Dr. Talty Actor Paul Stewart Barton Actor John Meredyth Lucas Screenwriter Kenneth Peach Cinematographer James Baiotto Film Editing Richard LaSalle Original Music Stan Jolley Art Director James Cane Set Decoration Paul Zastupnevich Costume Design