| Episode credited cast: |
 | Katsuji Mori | - | Ôwashi no Ken (Ken Washio) |
 | Isao Sasaki | - | Kondoru no Jô (Jô Asakura) |
 | Kazuko Sugiyama | - | Shiratori no Jun |
| Yoku Shioya | - | Tsubakuro no Jinpei |
| Shingo Kanemoto | - | Mimizuku no Ryû (Ryû Nakanishi) |
| Tôru Ôhira | - | Kôzaburô Nambu |
| Mikio Terashima | - | Berugu Kattse |
| Nobuo Tanaka | - | Sôsai Ekksu |
| Hideo Kinoshita | - | Narêtâ |
| Teiji Ômiya | - | Andâson |
| Rest of cast listed alphabetically: |
 | Leraldo Anzaldua | - | Ken Washio (voice) |
| Eden J. Barrera | - | Additional Voice (voice) |
 | Charles C. Campbell | - | Additional Voice (voice) (as Charles Campbell) |
 | Victor Carsrud | - | Ryu Nakanishi (voice) |
| Kôichi Chiba | - | Ruman-kokushu |
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