Full cast - Gate Keepers 21 (OVA) (episodes 1 to 6)

• 1. Encounter

  Recurring: Jake Martin (Inspector Daisuke Hashimoto), Michelle Ruff (Naoko Ito), Ruby Marlowe (Chinami Watanabe)

  Episodic: Abe Lasser (Teacher), Jane Alan (Frightened Girl), Jim Taggert (Officer Kimura, Miu's Date), Michelle Ruff (Classmate 2)

• 2. Mad Dash

  Recurring: Jake Martin (Inspector Daisuke Hashimoto), Michelle Ruff (Naoko Ito), Ruby Marlowe (Chinami Watanabe)

  Episodic: Abe Lasser (Kaiser Kikai), Jim Taggert (Officer Kimura), Lynn Fischer (PA Recording), Ron Allen (Dispatcher)

• 3. Late Summer

  Recurring: Michelle Ruff (Naoko Ito), Ruby Marlowe (Chinami Watanabe)

  Episodic: Abe Lasser (Taxi Driver), Jane Alan (Saemi Ikeda, Voice Mail), Michelle Ruff (Karaoke Cashier, Holly), Ron Allen (HIT Movie Monster), Ruby Marlowe (HIT Movie Goddess)

  Additional Voices: Michelle Ruff, Ruby Marlowe

• 4. Ayane

  Recurring: Jake Martin (Inspector Daisuke Hashimoto), Michelle Ruff (Naoko Ito), Ruby Marlowe (Chinami Watanabe)

  Episodic: Jim Taggert (Yoshiho Yamata, Student), Michael McConnohie (Teacher, Count Akuma), Ruby Marlowe (Reporter)

  Additional Voices: Michelle Ruff, Ruby Marlowe

• 5. Miu

  Recurring: Jake Martin (Inspector Daisuke Hashimoto), Michelle Ruff (Naoko Ito), Ruby Marlowe (Chinami Watanabe)

  Episodic: Jim Taggert (Student)

• 6. Sound of Feathers

  Recurring: Jake Martin (Inspector Daisuke Hashimoto), Michelle Ruff (Naoko Ito), Ruby Marlowe (Chinami Watanabe)

  Episodic: Jim Taggert (Shun Ukiya)