| CAST | CONNECTIONS | |
|---|---|---|
| Katsuhiko Sasaki | Inventor Goro Ibuki | |
| Hiroyuki Kawase | Rokuro 'Roku-chan' Ibuki | » [K17] TIME OF THE APES » [306] TIME OF THE APES |
| Yutaka Hayashi | Hiroshi Jinkawa | |
| Robert Dunham | Emperor Antonio of Seatopia | » [K00] THE GREEN SLIME (pilot) |
| Kotaro Tomita | Lead Seatopian Agent | |
| Wolf Otsuki | Seatopian Agent | |
| Gentaro Nakajima | Truck Driver (as Gen Nakajima) | |
| Sakyo Mikami | Truck Driver's Assistant | |
| Fumiyo Ikeda | Man from Unit 1 | |
| Kanta Mori | Japan Special Defense Forces... | |
| Shinji Takagi | Gojira | |
| Hideto Odachi | Megaro | |
| Tsugutoshi Komada | Jetto Jagâ | |
| Kenpachiro Satsuma | Gaigan (as Kengo Nakayama) | |
| Rolf Jessup | Antonio's Aide (Radio Operator in... | |
| Eisuke Nakanishi | Asuka Island Nuclear Test... | |
| Haruo Nakajima | Gojira (stock footage)... | » [213] GODZILLA VS. THE SEA MONSTER » [213] GODZILLA VS. THE SEA MONSTER |