This Island Earth
- Ano: 1955
- País: United States of America
- Xénero: Science Fiction, Adventure, Horror
- Estudo: Universal Pictures
- Palabra clave: spacecraft, flying saucer, extraterrestrial technology, mutant, nobel prize, space travel, georgia, resettlement, alien, nuclear scientist, space, scientist, death ray, interplanetary war
- Director: Joseph M. Newman
- Reparto: Rex Reason, Faith Domergue, Jeff Morrow, Lance Fuller, Robert Nichols, Russell Johnson