Troy Brenna
Troy Richard Brenna  is a stuntman and stunt actor who played a Klingon soldier in the  fourth season episode . He received no credit for this appearance. Brenna also appeared as a Klingon guard in , but the scene with him became a deleted scene.

Brenna was born in Oconomowoc, Wisconsin to Dennis and Evangeline Brenna and grew up in Central Point, Oregon. He has one brother and two sisters. Since 1996 he resides in Los Angeles and is a member of the Screen Actors Guild and the American Federation of Television and Radio Artists. Because of his height of 6'8" it's easy to find him on screen. Brenna has appeared in several television commercials and has doubled for stars such as , The Rock, and .

Among his feature film resume are projects such as The Pest (1997), The Postman (1997), X-Men (2000, starring Patrick Stewart, Famke Janssen, and Bruce Davison, and with stunts by Scott Leva), 3000 Miles to Graceland (2001, with Christian Slater), The Scorpion King (2002, starring The Rock), Cradle 2 the Grave (2003), Hulk (2003), Ultraviolet (2006), and Get Smart (2008, with The Rock and stunts by Shauna Duggins, Theo Kypri, Diana R. Lupo, David Mattey, Rich Minga, Michelle Sebek, and Thom Williams).

Brenna has also performed stunts and action parts in television series such as Coach (1996 and 1997), Married with Children (1997), V.I.P. (2001, with Jeff Wolfe and stunts by Darlene Williams), Angel (2002, with stunts by Greg Barnett), Buffy the Vampire Slayer (2002, with Glenn Morshower), Arrested Development (2005), J.J. Abrams' Alias (2006, with Leland Crooke, Robert Symonds, and stunts by Shauna Duggins), Bones (2006, with Bridgett Riley), Chuck (2007, with Tony Todd, Brian Simpson, and Tim Sitarz), Scrubs (2007, with Ken Jenkins), and Cane (2007, with John Pyper-Ferguson and Ned Vaughn).

He portrayed supporting roles in the action drama Blood and Bone (2008, co-coordinated by Enterprise co-star Chien Funan), the horror comedy Blood Shot (2009, alongside Brad Dourif, Michael Bailey Smith, Jeff Chase, David Mattey, Ric Sarabia, and Max Daniels), the horror thriller Cirque du Freak (2009, with Don McManus and stunts by Darlene Ava Williams and Rob Mars), and the action sequel Fast & Furious (2009), and performed stunts in 's science fiction thriller Avatar (2009, with Zoe Saldana and stunts by Shawn Crowder, Theo Kypri, and Marty Murray).

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Stunt performers
Performers
ENT performers