| Seiyuu | Role |
| Masami Kikuchi | Tenchi Masaki |
| Ai Orikasa | Ryouko |
| Yumi Takada | Aeka |
| Yuko Mizutani | Mihoshi |
| Chisa Yokoyama | Sasami |
| Yuko Kobayashi | Washu |
| Etsuko Kozakura | Ryo-Ohki |
| Takeshi Aono | Katsuhito Masaki (Tenchi's Grandfather) |
| Takehito Koyasu | Yosho |
| Yumi Touma | Tokimi |
| Chisa Yokoyama | Tsunami |
| Norio Wakamoto | Kagato |
| Takeshi Aono | Nobuyuki Masaki (Tenchi's Father) |
| Wataru Takagi | Kamidake |
| Kenichi Ogata | Azaka |
| Rei Sakuma | Funaho (Yosho's Mother) |
| Akio Ohtsuka | Azusa (Aeka's Father) |
| Yoshiko Sakakibara | Misaki (Aeka's Mother) |
| Ryuzaburo Ohtomo | D3 |
| Mitsuaki Madono | Seiryo (Aeka's Fiancé) |
| Wataru Takagi | Kamikura |
| Rio Natsuki | Reia (Nobuyuki's Wife) |
| Emi Shinohara | Tennyo (Tenchi's Sister) |
| Sakiko Tamagawa | Airi (Katsuhito's Wife) |
| Naomi Shindou | Noike (Tenchi's Fiancé) |
| Hikaru Midorikawa | Misao (Mihoshi's Brother) |
| Junichi Suwabe | Nakita |
| Eiji Hanawa | Z |