
Quick answer — Hideaki Tezuka voices Ketil in Vinland Saga Season 2, Darius Zackly in Attack on Titan Season 3, Kurahashi in Terror in Resonance and 13 more characters.
Hideaki Tezuka voices Ketil (Vinland Saga Season 2), Darius Zackly (Attack on Titan Season 3), Kurahashi (Terror in Resonance), Phileas Fogg (Undead Murder Farce), Sonzai X (Saga of Tanya the Evil), Suberoa Zinnerman (Mobile Suit Gundam UC), Fleur-de-lis (Pokémon the Series: XYZ), Jirou Hattori (The Millionaire Detective - Balance: UNLIMITED) and 8 more.
Ketil is voiced in Japanese by Hideaki Tezuka.