- Takahiko Hayakawa
- assistant sound effects editor
- Koshiro Jinbo
- re-recording mixer
- Hisayuki Miyamoto
- sound recordist
- Noboru Nishio
- digital optical recording
- Makoto Ono
- post-production sound services
- Masatoshi Saitô
- sound effects editor
- Atsushi Sugiyama
- post-production sound services
- Chiaki Tachikawa
- post-production sound services
- Akira Udagawa
- optical recording