Trenna Keating is a Canadian actress. She had her career beginnings in the mid-2000s. Her first role was in the 2005 film Just Friends. She next appeared in 3 episodes of the TV series Renegadepress.com. This was followed by a role in the TV movie A Dog Named Christmas. In the 2010s, she played Sgt. Hannah Corday on the TV show Combat Hospital. She later became known for her role as Doc Yewll on the American series Defiance, which she starred in from 2013 to 2015. Afterward, she appeared as Vera in 3 episodes of Orphan Black. More recently, she had notable guest appearances on Cardinal and Workin’ Moms.