Born in Sabae, Fukui Prefecture, in 1980. After graduating from college in 2003, Katayama started a career as an actor, mainly performing in independent films. In recent years, he starred in Yu Irie’s Memoirs of a Murderer (JC 2017) and Masaharu Take’s The Ringside Story (2017) and played the lead in Motohiro Tajima’s DEVOTE (2016). As a director, his short films received acclaim at numerous domestic film festivals, including the Special Jury Prize at Tachikawa Meigazadori Cinema Festival in 2018 for Meisoujyushi. Roar is his directorial debut feature.