Suicide Club, known in Japan as Suicide Circle , is a 2001 Japanese independent horror film written and directed by Sion Sono. The film explores a wave of seemingly unconnected suicides that strikes Japan and the efforts of the police to determine the reasons behind the strange behavior.

Masatoshi Nagase is a Japanese actor and singer. He is best known in the West for his roles in Friðrik Þór Friðriksson's Cold Fever and Jim Jarmusch's Mystery Train.