Suggestions by @cruellatom

Ben Schwartz

as Costas in Kaede & Shuichi

Freddie Highmore

as Ken Hosogawa/Iron Skull in Kaede & Shuichi

Grant George

as Shuichi Saihara in Kaede & Shuichi

Erika Harlacher

as Kaede Akamatsu in Kaede & Shuichi

Michaela Laws

as Mariko Matsumoto in Seiryu: Tetsuo & Megumi (Video game franchise and animated)

JB Blanc

as Bruno Yusuf Gonzalez in Seiryu: Tetsuo & Megumi (Video game franchise and animated)

Gregory Korostishevsky

as Yuri Karamazov in Seiryu: Tetsuo & Megumi (Video game franchise and animated)

Will Yun Lee

as Tadashi Saito in Seiryu: Tetsuo & Megumi (Video game franchise and animated)

Tara Strong

as Megumi Ishikawa in Seiryu: Tetsuo & Megumi (Video game franchise and animated)

Emma Stone

as Tetsuo Shinozuka in Seiryu: Tetsuo & Megumi (Video game franchise and animated)