Koji Iwagawa is a celebrated actor whose work has left a notable mark on Japanese cinema, particularly in the realm of horror and supernatural films. He gained significant recognition for his role in "Kokkuri-san: Nihon-ban" (2005), a unique blend of comedy and horror that explores the eerie world of a traditional Japanese spirit game. This film has become a collector's gem, celebrated for its cultural references and quirky storytelling, making it a must-have for enthusiasts of Japanese horror cinema. Collectors are drawn to Iwagawa's performances for their depth and authenticity, as he often brings a nuanced portrayal of complex characters. His work has contributed to the resurgence of interest in physical media, with "Kokkuri-san" being particularly sought after in special edition formats. As home video releases continue to spotlight classic and cult films, Iwagawa’s contributions ensure his legacy remains alive in the hearts of collectors who appreciate the rich tapestry of film history.