It! The Terror from Beyond Space

The name of this movie is It! The Terror from Beyond Space released in 1958-07-31 and it's main theme is In 1973, the first manned expedition to Mars is marooned; by the time a rescue mission arrives, there is only one survivor: the leader, Col. Edward Carruthers, who appears to have murdered the others According to Carruthers, an unknown life form killed his comrades during a sandstorm. But the skeptical rescuers little suspect that it has stowed away for the voyage back to Earth....