The Day the Earth Stood Still
- Ano: 1951
- País: United States of America
- Xénero: Science Fiction, Thriller
- Estudo: 20th Century Fox
- Palabra clave: spacecraft, flying saucer, peace, remote control, ufo, social commentary, giant robot, black and white, military, physics professor, humanity, alien technology
- Director: Robert Wise
- Reparto: Michael Rennie, Patricia Neal, Billy Gray, Sam Jaffe, Hugh Marlowe, Lock Martin