Full cast - Xtra Credit (OVA) (episodes 1 to 2)

• 1. unknown

  Recurring: Fergus Lawless (Koh), Frank Wyldehorn (Hiromaga), Ringo Farkas (Kubo)

• 2. unknown

  Recurring: Fergus Lawless (Koh), Frank Wyldehorn (Hiromaga), Ringo Farkas (Kubo)

  Episodic: Bjorkin Stiles (Kamaya), Pete Meat (Headmaster Sugai), Ringo Farkas (Kumisaki)