Jimmi Simpson (born November 21, 1975) is an American stage, film and television actor, best known for his recurring roles in television series, such as House of Cards, It's Always Sunny in Philadelphia, Psych, and Westworld.
Taking place during Batman's early days of crime-fighting, The Long Halloween tells the story of a mysterious killer named Holiday, who murders people on holidays, one each month. ... It also revolves around the transition of Batman's rogues gallery from simple mob goons to full-fledged supervillains.