Season 1 2018 | 10 episodes The season 1 of Signal aired from Apr 10, 2018. Cast (10) Kentaro Sakaguchi Kento Saegusa Kazuki Kitamura Takeshi Ooyama Michiko Kichise Misaki Sakurai Yuichi Kimura Tsutomu Yamada Tetsuhiro Ikeda Shinya Kojima Kaede Aono Rika Anzai Fuju Kamio Ryota Kato Atsuro Watabe Shinnosuke Nakamoto Takemi Fujii Masahiro Koumoto Kazuo Iwata Crew (9) Masaya Ozaki Screenplay.he Takashi Hagiwara Producer.he Kasaoki Takahiro Producer.he Ishida Mai Producer.he Akira Uchikata Director.he Kosuke Suzuki Director.he Asami Tachibana Original Music Composer.she Yuki Hayashi Original Music Composer.he Kim Eun-hee Original Series Creator.she Images Posters Similar Series