Even though Fitzgerald is a traitor and murderer, Tom Hardy can't relate. He's a notably down-to-Earth actor and seemingly easy to get along with, which is what makes his acting in the film so good.
Kayako - Takako Fuji
The monsters in The Grudge are so good that it's hard to remember that they're not real. Many folks get The Grudge and The Ring mixed up, which makes sense since the latter is just a remake of the Japanese original. Don't be mistaken: Kayako is the OG vengeful ghost.