本作讲述的是白狮之子雷欧在大自然循环往复弱肉强食的生存竞争之中，在和人类发生的一系列事件之中成长起来的故事。
Gorō Naya
Clave (voice)
Yoshiko Ohta
Leo (voice)
Hajime Akashi
Tommy (voice)
Hisashi Katsuta
Mandy (voice)
Junji Chiba
Higeoyaji (voice)
Kazuyuki Sogabe
Doug (voice)
Yoshiko Matsuo
Lyre (voice)
Kinto Tamura
Coco (voice)
Kiyoshi Kawakubo
Bou (voice)
Mayumi Tanaka
Keruru (voice)
Nobuaki Sekine
Kenichi (voice)
Rokuro Naya
Lamp (voice)
Seizo Kato
Toto (voice)
Tōru Ōhira
Rommel (voice)
