Kim Hak-rae

Thunderhawk 8 - Esperman And The Thunderhawk

as 오박사

Thunderhawk 8 - Esperman And The Thunderhawk

Young-gu and Ddaeng-chil

Thunderhawk 4 - Mobilization Of Thunder-V

as Dr. Oh

Thunderhawk 3 - Thunderhawk From Outer Space Blitzkrieg