Asaya Kimijima. Asaya Kimijima was 34 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Shintaro Goto / Kamen Rider Birth X'.
Hiroaki Iwanaga. Hiroaki Iwanaga was 42 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Akira Date'.
Mayuko Arisue. Mayuko Arisue was 30 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Erika Satonaka'.
Takashi Ukaji. Takashi Ukaji was 59 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Kousei Kougami'.
Riho Takada. Riho Takada was 27 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Hina Izumi / Kamen Rider OOO'.
Shu Watanabe. Shu Watanabe was 30 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Eiji Hino'.
Ryosuke Miura. Ryosuke Miura was 35 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Dr. Ankh'.
Yusuke Yamada. Yusuke Yamada was 34 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Uva'.Taito Hashimoto. Taito Hashimoto was >> in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Kazari'.
Honoka Yahagi. Honoka Yahagi was 25 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Mezool'.Hiroyuki Matsumoto. Hiroyuki Matsumoto was 42 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Gamel'.Marie Kai. Marie Kai was 42 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Chiyoko Shiraishi / Kamen Rider Birth'.
Ryuta Tasaki. Ryuta Tasaki was 58 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Director'Nobuhiro Mouri. Nobuhiro Mouri was 47 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Writer'
Shotaro Ishinomori. Shotaro Ishinomori would have been no older than 60 in OOO 10th! Kamen Rider Birth: The Secret Birth of Birth X! as 'Original Series Creator'