- Kenji Ôtsuki
- Ryu Momoji / Yu Shinoyama / Ninja Dragon (as Kenji Otsuki)
- Etsuko Araoda
- Shinobu Nindo
- Rikiya Yasuoka
- Gô Ranjuji
- Tetsuya Matsui
- Suzuka Hatai / Ninja Defender
- Cutey Suzuki
- Jun Saruwatari / Ninja Defender (as Cutie Suzuki)
- Ikkô Furuya
- Takeo Nindo
- Eric Stuart
- Ninja Dragon
- Anne Sackmann
- Shinobu Nindo
- Franklin Portnow
- Gô Ranjuji
- Tom Wayland
- Suzuka Hatai
- Lotus
- Jun Saruwatari
- Bill Carney
- Takeo Nindo
- Kip Kaplan
- Additional Voices
- Timothy Breese Miller
- Additional Voices
- Wally Cole
- Additional Voices
- Ross Lefko
- Additional Voices
- Mayumi Ozaki
- Female Killer
- Gô Nagai
- Dead Yakuza
