Well Avalanche studios (the developers) stated that they intentionally made the voice acting that bad as a homage to cheesy 80's action movies.The said:Same with Just Cause 2. It adds to the B-movie experience.SnootyEnglishman said:It has bad voice acting but Resident Evil 1 is one of those cases where the bad voice acting is just hilarious.
Making it a So Bad Its Good [http://tvtropes.org/pmwiki/pmwiki.php/Main/SoBadItsGood] situation.
Sorry for making you waste a few hours of your life.