Full cast - Alien Nine (OVA) (episodes 1 to 4)

• 1. Otani

  Recurring: Lynna Dunham (Yuri's Mom), Rachael Lillis (Miyu Tamaki), Veronica Taylor (Megumi Hisakawa)

  Episodic: Joshua Popenoe (Yuri's Borg), Tristan Goddard (Kasumi's Borg)

  Additional Voices: Jimmy Zoppi, Lisa Ortiz, Rebecca Honig, Sharon Becker, Tim Werenko, Tom Wayland, Tristan Goddard

• 2. A New Ship

  Recurring: Lynna Dunham (Yuri's Mom), Rachael Lillis (Miyu Tamaki), Veronica Taylor (Megumi Hisakawa)

  Episodic: Joshua Popenoe (Yuri's Borg), Michael Sinterniklaas (Hiroshi)

  Additional Voices: Jimmy Zoppi, Lisa Ortiz, Rebecca Honig, Sharon Becker, Tim Werenko, Tom Wayland, Tristan Goddard

• 3. New Borgs

  Recurring: Lynna Dunham (Yuri's Mom), Rachael Lillis (Miyu Tamaki), Veronica Taylor (Megumi Hisakawa)

  Episodic: Suzy Savoy (Principal), Tim Werenko (Boat Man)

  Additional Voices: Jimmy Zoppi, Lisa Ortiz, Rebecca Honig, Sharon Becker, Tim Werenko, Tom Wayland, Tristan Goddard

• 4. Kumi

  Recurring: Lynna Dunham (Yuri's Mom), Rachael Lillis (Miyu Tamaki), Veronica Taylor (Megumi Hisakawa)

  Episodic: Jimmy Zoppi (Kumi's Borg), Joshua Popenoe (Yuri's Borg), Michael Alston Baley (Yellow Knife), Suzy Savoy (Principal), Tom Wayland (Kasumi's Brother), Tristan Goddard (Kasumi's Borg)

  Additional Voices: Jimmy Zoppi, Lisa Ortiz, Rebecca Honig, Sharon Becker, Tim Werenko, Tom Wayland, Tristan Goddard