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 Alexandra Daddario Guest Star Kevin Dunn Guest Star Shea Whigham Guest Star Robert Beitzel Guest Star Joe Chrest Guest Star Jamie Elliott Guest Star J.D. Evermore Guest Star Glenn Fleshler Guest Star Dana Gourrier Guest Star Douglas M. Griffin Guest Star Nic Pizzolatto Writer, Executive Producer Cary Joji Fukunaga Director, Executive Producer Steve Golin Executive Producer Scott Stephens Executive Producer