. . "Rustin Spencer \"Rust\" Cohle is a fictional character in the American television drama series True Detective on HBO. He was created by series creator Nic Pizzolatto and is portrayed by Matthew McConaughey. Cohle works as a detective for the Louisiana State Homicide Unit, alongside his partner Martin \"Marty\" Hart (Woody Harrelson)."@en . "Crash"@en . "The Taxman"@en . . "\"The Long Bright Dark\"" . "Rust Cohle"@en .