Mitsuaki Madono

as Ken Tenku (voice)

Kenichi Ono

as Joe Umitsubame (voice)

Nobuo Tobita

as Akira Daichi (voice)

Yasunori Matsumoto

as Tetsuya Ryuzaki (voice)

Jurota Kosugi

as Dr. Kokubunji (voice)

Omi Minami

as Nanako Kokubinji (voice)

Chisa Yokoyama

as Junpei (voice)

Naoko Matsui

as Tensai (voice)

Ryotaro Okiayu

as Cowboy Johnny (voice)

Yuji Ueda

as Akito Tenkawa (voice)

Nobuo Tanaka

as Hypelion (voice)

Kousuke Okano

as Prince Akara (voice)

Maya Okamoto

as Miee Miee (voice)