The Man Who Assassinated Ryoma is a movie about a haunted blood-thirsty Bakufu officer who might have killed Ryoma Sakamoto.
| Directing | Kōsaku Yamashita | Director |
| Writing | Tsutomu Nakamura | Screenplay |
| Sound | Shūichi Chino | Original Music Composer |
| Camera | Fujio Morita | Director of Photography |
| Lighting | Gengon Nakaoka | Lighting Technician |
| Art | Yoshinobu Nishioka | Art Direction |
| Sound | Iwao Ôtani | Sound Recordist |
| Editing | Isamu Ichida | Editor |
| Writing | Mitsugu Saotome | Original Story |