Grant McFarland

as Piak (3 episodes)

as Taffy

as District Commander (1 episode)

as Lothor (archive footage) (uncredited)

as Lothor

as Lothor

as Sensei Kanoi Watanabe / Lothor

as Ming Tzu (2 episodes)

as Scoundrel #1 (1 episode), as Shellus (1 episode)

as Long Ear Chief

as Metalwork Teacher

as Lothor / Sensei (40 episodes), as Daisuke (1 episode)

as Terry

as George Samuels (1 episode)