Harmonium Skuespillere og folkene bag
Tadanobu AsanoSotaro Yasaka Mariko TsutsuiAkie Suzuoka Taiga NakanoTakashi Yamagami Momone ShinokawaHotaru Suzuoka Kana MahiroHotaru Suzuoka (Adult) Kanji FurutachiToshio Suzuoka Takahiro MiuraAtsushi Shitara Koji FukadaInstruktør / Manuskript / Filmklipper Koichiro FukushimaExecutive producer Kenichi NegishiDirector Of Photography Hiroyuki OnogawaKomponist af original musik Kaoru MimuraProduktionsleder 
