
Quick answer — Jin Urayama voices Ragnar in Vinland Saga, Shuudouinchou in Orb: On the Movements of the Earth, Fujita in Josee, the Tiger and the Fish and 17 more characters.
Jin Urayama voices Ragnar (Vinland Saga), Shuudouinchou (Orb: On the Movements of the Earth), Fujita (Josee, the Tiger and the Fish), Ginjirou Nezu (Summer Time Rendering), Murdoch Swan (SPY x FAMILY), Doumoto (Megalobox), Kumichou (Let's Go Karaoke!), SSS (Madlax) and 12 more.
Ragnar is voiced in Japanese by Jin Urayama.