The Mysterians is a 1957 Japanese epic science fiction film directed by Ishirō Honda, with special effects by Eiji Tsuburaya. Produced and distributed by Toho Co., Ltd., it is the first Honda-Tsuburaya collaboration filmed in both color and TohoScope, and stars Kenji Sahara, Yumi Shirakawa, Momoko Kōchi, Akihiko Hirata, Yoshio Tsuchiya, Susumu Fujita, and Takashi Shimura, with Haruo Nakajima and Katsumi Tezuka as Moguera. In the film, Earth's defense forces unite to combat an extraterrestrial race that desires to intermarry with human women and settle on the planet.