86 mins | Science Fiction, Horror | Dec. 15, 1966
86 mins | Science Fiction, Horror | Dec. 15, 1966
| IMDb rating | 5.0 |
| Producers | World Entertainment Corp., National Telefilm Associates (NTA) |
| Original title | Gammera the Invincible |
| Directors | Sandy Howard, Noriaki Yuasa |
| Writers | Richard Kraft, Nisan Takahashi |
as Secretary of Defense
as Gen. Terry Arnold
as Sgt. Susan Embers
as Capt. Lovell
as Gen. O'Neill
as Dr. Hidaka
as Nobuyo
as Kyoke
as Jules Manning
as Lt. Simpson
as Dr. Contrare
as A1C Hopkins
as Sen. Billings
as American Ambassador
as J.T. Standish