A giant octopus, whose feeding habits have been affected by radiation from H-Bomb tests, rises from the Mindanao Deep to terrorize the California Coast.
Kenneth Tobey
as Cmdr. Pete Mathews
Faith Domergue
as Prof. Lesley Joyce
Donald Curtis
as Dr. John Carter
Chuck Griffiths
as Lt. Griff, USN
Ian Keith
as Adm. Burns
Dean Maddox Jr.
as Adm. Norman
Harry Lauter
as Deputy Bill Nash
Richard W. Peterson
as Capt. Stacy
