Akio Ōtsuka

Akio Ōtsuka is a veteran voice actor in Japan. He is also the son of veteran voice actor Chikao Ōtsuka.

Roles in the Metal Gear series
Akio Ōtsuka is well known as the voice actor for Solid Snake in all of his appearances, Solidus Snake in Metal Gear Solid 2: Sons of Liberty, Naked Snake/Big Boss in Metal Gear Solid 3: Snake Eater, Metal Gear Solid: Portable Ops, Metal Gear Solid: Portable Ops Plus, Metal Gear Solid: Peace Walker, and Metal Gear Solid: Ground Zeroes, as well as the motion capture actor of Big Boss in Metal Gear Solid 4: Guns of the Patriots.