All Cast
Eric Jacobsen
Ocean Floor Man
Hiroyuki Aoki
Alcoholic Philosopher
Ichiro Nagai
Old Man
Kento Ogasawara
Boy
Masaharu Satô
Human Building (voice)
Masatoshi Nagase
Narrator
Masayuki Terashima
Spear Man
Noboru Mitani
Artist R
Shinichi Tsuda
Lime Student