Ultra Nyan 2: The Great Happy Operation (1998) — Cast
Cast
| Mari Okamoto | Bubba's Mother |
| Kyoko Hikami | Momo |
| Akio Otsuka | Nobunaga |
| Kazumi Okushima | Dabu |
| Sayuri Sadaoka | Anko Honours |
| Rokuro Naya | Ryuuji |
| Yuki Masuda | Yuki |
| Yoshiko Kamei | Ultra |
| Shouto Kashii | Teacher |
| Koichi Kitamura | Doctor |
| Yayoi Takahashi | Dora |
| Naoko Kouda | Stitch (Voice) |
| Reiko Kondou | Kosuke |
| Mei Oshitani | Haruka Momose |
| Naoki Bando | Goemon |
Crew
| Hideo Okazaki | Director of Photography |
| Takeshi Ike | Original Music Composer |
| Masahiro Ando | Animation Director |
| Hiroaki Sato | Background Designer |
| Shigeru Watanabe | Executive Producer |
| Hiroko Tokita | Director |
| Kyoko Matsubara | Key Animation |
| Sanagi Fuyukoshi | Key Animation |
| Shinichiro Takagi | Character Designer |
| Yuzo Sato | Key Animation |
| Noriko Ozeki | Key Animation |
| Yuuji Ogata | Key Animation |
| Kouji Matsuyama | Key Animation |
| Takayuki Hamana | Key Animation |
| Kenichi Tajiri | Art Direction |
| Takashi Ui | Sound Director |
| Takahiro Kishida | Key Animation |
| Kazuo Tsuburaya | Executive Producer |
| Tetsu Kimura | Storyboard |
| Sho Aikawa | Screenplay |
| Seiji Suzuki | Producer |
| Masahiro Ando | Key Animation |
| Tsuyoshi Yoshida | Producer |
| Osamu Totsuka | Music |
| Hiroko Tokita | Storyboard |
| Shigeru Watanabe | Producer |