Dallas Buyers Club DALLAS BUYERS CLUB (2013) Starring Matthew McConaughey, Jared Leto, Jennifer Garner, Steve Zahn, Griffin Dunne, Dallas Roberts, Denis O'Hare, Michael O'Neill, Kevin Rankin, Bradford Cox, Jane McNeill, Adam Dunn, Stephanie Grote and James DuMont. Screenplay by Craig Borten and Melisa Wallack. Directed by Jean-Marc Vallée. Distributed by Focus Features. 117 minutes. Rated R. Once upon a time, early on in his career, Matthew McConaughey was a respected actor.