Task: Explanation
Input (English): Casey Mitchum is a fictional character from the American soap opera, "Sunset Beach", portrayed by American actor Timothy Adams during the show's entire run. Question: Casey Mitchum was portrayed by an American actor best known for his portrayal of which character in Grand Theft Auto IV? Answer: Brucie Kibbutz
Output (English): Casey Mitchum is a fictional character from the American soap opera, Sunset Beach, portrayed by American actor Timothy Adams during the shows entire run.