According to Twitch, Colin Firth is said to be in negotiations to play the part of Adrian, the villain in the movie. If negotiations go through, he will join the Josh Brolin in the remake.
OLDBOY tells the story of a man who is kidnapped and imprisoned on his daughter’s birthday. For fifteen years, he is held captive, and, upon his release, must begin his journey to find the reason for his imprisonment. He soon finds out that his kidnapper has plans for him more tortuous than his solitary confinement.