Sam Trammell (“True Blood”) has joined the cast of indie crime thriller “Guns, Girls and Gambling,” opposite Dane Cook, Christian Slater, and Gary Oldman.Trammel will star as a no-nonsense sheriff who works alongside a corrupt sheriff, played by Cook. The film, which just began production in Utah, involves the search for a priceless American Indian artifact stolen during a poker game at an Indian casino. Michael Winnick, who helmed indie thriller “Shadow Puppets,” is directing from his own script. Freefall Films is producing and financing the project, which recently began shooting in Utah. Trammell stars as bartender Sam Merlotte in HBO’s “True Blood” which was just renewed for a fourth season and recently completed filming “The Details” with Elizabeth Banks and Tobey Maguire. He received a Tony nomination for his lead role in the Broadway revival of Eugene O’Neill’s “Ah Wilderness.” Trammell’s repped by Innovative Artists.