
Quick answer — Kousuke Meguro voices Seimei Handa in Barakamon, Conda Bromco in Macross, Genya Doumoto in Detective Conan: Full Score of Fear and 1 more characters.
Kousuke Meguro voices Seimei Handa (Barakamon), Conda Bromco (Macross), Genya Doumoto (Detective Conan: Full Score of Fear), Quamzin Kravshera (Macross).
Seimei Handa is voiced in Japanese by Kousuke Meguro.