Kei Kobayashi

as Seth (13 episodes)

as Hannah (26 episodes)

as Student (voice) (1 episode)

as Eigo Kyoshi (voice) (12 episodes)

as Mrs. Hansen (voice) (9 episodes)

as Chitto (voice) (26 episodes)

as Hongō Sensei (24 episodes)

as Takeuchi (voice) (26 episodes)

as Classmate (voice) (2 episodes), as Schoolgirl A (voice) (1 episode), as Schoolgirl C (voice) (1 episode), as Schoolgirl B (voice) (2 episodes), as Schoolgirl D (voice) (1 episode), as Girl B (voice) (1 episode)

as Man (1 episode)

as Interpol Member (1 episode), as Researcher (1 episode)