Undersea Super Train: Marine Express

The plot of Marine Express can be described in two parts. The first part focuses on the people boarding the train and the problems they encounter on it. The second part takes place after the train has stopped at its half-way point, an island that used to be home to an ancient civilization millennia ago and has its fair share of secrets.
Cast

Kosei Tomita
Shunsaku Ban (voice)
Junichi Takeoka
Rock (voice)

Nachi Nozawa
Black Jack (voice)

Mari Shimizu
Astro Boy as "Adam" (voice)

Hisashi Katsuta
Professor Ochanomizu as "Dr. Narzenkopf" (voice)

Yoshiko Ohta
Princess Sapphire as "The Empress of the Mu Empire" (voice)

Chikao Ohtsuka
Duke Red as "Director Credit" (voice)

Kaneta Kimotsuki
Hosuke Sharaku (voice)

Mami Koyama
Chocola as "Milly" (voice)
Kouichi Chiba
Don Dracula as "Dondora" (voice)

Koji Yada
Skunk Kusai (voice)

Kenji Utsumi
Acetylene Lamp (voice)
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