Matthew McConaughey Rust Cohle Actor Woody Harrelson Martin Hart Actor Michelle Monaghan Maggie Hart Actor Michael Potts Detective Gilbough Actor Tory Kittles Detective Papania Actor Ann Dowd Guest Star Glenn Fleshler Guest Star Michael Harney Guest Star Kurt Krause Guest Star Johnny McPhail Guest Star Terry Moore Guest Star Erin Moriarty Guest Star David Stifel Guest Star Madison Wolfe Guest Star Nic Pizzolatto Writer, Executive Producer Cary Joji Fukunaga Director, Executive Producer Steve Golin Executive Producer Scott Stephens Executive Producer