A new chapter coming for the cinematic world of Hellboy is coming to theaters. Ron Perlman will be replaced by 'Stranger Things' actor David Harbour. Guillermo del Toro, the acclaimed director, helmed the first two installments of the Hellboy franchise. He has finally shared his thoughts about 'Stranger Things' actor David Harbour being cast as the lead. Del Toro said “I like him. I don’t know him and I’m not involved with the movie. But I sure wish them luck, man. He’s a great guy.