An atomic explosion awakens Gammera, a giant fire breathing turtle monster from his millions of years of hibernation.
Albert Dekker
as Secretary of Defense
Brian Donlevy
as Gen. Terry Arnold
Diane Findlay
as Sgt. Susan Embers
John Baragrey
as Capt. Lovell
Dick O'Neill
as Gen. O'Neill
船越英二
as Dr. Hidaka
姿美千子
as Nobuyo
霧立はるみ
as Kyoke
Mort Marshall
as Jules Manning
Bob Carraway
as Lt. Simpson
Alan Oppenheimer
as Dr. Contrare
John McCurry
as A1C Hopkins
