Ryu Manatsu is a Japanese actor, singer and voice actor perhaps best known for his role as Gen Ohtori/Ultraman Leo in the Ultraman Series. He performed the show's theme song heard in the first 12 episodes as well.
Also Known As：真夏竜·真夏竜吾·Ryugo Manatsu·瀬戸幹雄·Mikio Seto·
Biography：Ryu Manatsu is a Japanese actor, singer and voice actor perhaps best known for his role as Gen Ohtori/Ultraman Leo in the Ultraman Series. He performed the show's theme song heard in the first 12 episodes as well.
