Director
Nathan Juran
DIRECTOR
Stars (in credits order)
William Hopper
Col. Robert Calder
Joan Taylor
Marisa Leonardo
Thomas Browne Henry
Maj. Gen. A.D. McIntosh
Frank Puglia
Dr. Leonardo
John Zaremba
Dr. Judson Uhl
Tito Vuolo
Commissario Unte
Jan Arvan
Signore Contino
Arthur Space
Dr. Sharman
Bart Braverman
Pepe
Sid Cassel
Farmer(uncredited)
Neil Collins
Technician(uncredited)
Paul Cristo
Police Officer(uncredited)
Noel Drayton
1st Reuters News Correspondent(uncredited)
Darlene Fields
Miss Reynolds(uncredited)
Duke Fishman
Fisherman(uncredited)
Michael Garth
Minor Role(uncredited)
Ray Harryhausen
Man Feeding Elephant(uncredited)
Ronald Hyde
Policeman Shooting Flamethrower(uncredited)
George Khoury
Verrico(uncredited)
Paula Kyle
Blonde in window(uncredited)
Richard LaMarr
Villager(uncredited)
Saverio LoMedico
Maurice Marks
Dr. Blankford(uncredited)
John Marlin
Mike Morelli
Rollin Moriyama
Dr. Koruku(uncredited)
George Nardelli
Don Orlando
Mondello(uncredited)
George Pelling
Maples(uncredited)
Paul Ravel
Felix Roi(uncredited)
Jerry Riggio
Barry Russo
American Embassy Aide(uncredited)
Stephen Soldi
John Sorrentino
Fred Walton
William Woodson
Opening Narrator(uncredited)(voice)