USA
Ro-Man, an alien that looks remarkably like a gorilla in a diving helmet, has destroyed all but six people on the planet Earth. He spends the entire film trying to finish off these survivors, but complications arise when he falls for the young woman in the group. Love that bubble machine! - IMDb
| Monster from Mars | |
| Monsters from the Moon | USA |
| El Monstruo de Marte |  Mexico |
| El Monstruo del espacio |  Peru |
| O Robô Alienígena |  Brazil |
| Przybysz z kosmosu |  Poland |
| Robot Monster |  Australia |
| Robot Monster |  Canada |
| Robot Monster |  Spain |
| Robot Monster |  France |
| Robot Monster |  United Kingdom |
| Robot Monster | Poland |
| Robot Monster |  Singapore |
| Robot Monster | USA |
| Robot Monster: Przybysz z kosmosu | Poland |
| Robot-monstrum |  Czechoslovakia |
| Robotí příšera | Czechoslovakia |
| Robotí příšera | Czechoslovakia |
| Робот-монстр |  Russia |
| Робот-монстр |  Soviet Union |
| Робот-монстр |  Ukraine |
| ロボット・モンスター |  Japan |
| 로봇 몬스터 |  South Korea |
 |
Gregory Moffett [10] | Johnny |
