Yoshinori Okamoto
Birthdate: 2/16/1955
He actually played the roles of Bo Gardan and Dr. Ashura, not only did stunts. He reprised Big One in Gokaiger 199 Heroes film.

Ao Ranger
(64-finale)
Space Ace Big One Vul Eagle 2 Dark Knight
Silver (Bioman) Booba (Changeman) Bo Gardan (Flashman) Oyobu (Maskman) Dr. Ashura (Liveman)
Signalman Sargain Giledon Agent Aburera Akaranger (Gokaiger)