Distributia
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Tamotsu MikamiHimself - Manager, Tohoku Construction Office, JR East (1 episode, 2015)
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Takashi KitamuraHimself - Tohoku Construction Office, JR East (1 episode, 2015)
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Noboru HiuraHimself - Deputy General Manager, Electrical Signal Network System Department, JR East (1 episode, 2015)
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Nathan Berry6 episodes, 2018
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Russell TottenHimself (1 episode, 2015)
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Lyena YonekuraNarrator (1 episode, 2015)
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Ryo TakagiHimself - Associate Professor, Kogakuin University (1 episode, 2015)
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Toshiaki TakeiHimself - Instructor (1 episode, 2015)