True Detective's channel is HBO.
Matthew McConaughey . In 2014 , he also starred as Rust Cohle in the first season of HBO 's crime anthology series True Detective , for which he won a Critics ' Choice Award and was nominated for an Emmy Award and a Golden Globe Award . True Detective . The first season , starring Matthew McConaughey , Woody Harrelson , Michelle Monaghan , Michael Potts , and Tory Kittles , takes place in Louisiana and follows a pair of Louisiana State Police homicide detectives , and their pursuit of a serial killer over a 17-year period .