Kara Killmer is an American actress. Her first starring role was in the 2010 web series If I Can Dream. She later made one-time appearances in Scary Tales, Jane by Design, and Rosa the Imposer. She next appeared in the television film Horizon. The actress gained recognition for her starring role as Sylvie Brett in the NBC series Chicago Fire. She also reprises her role in the spin-offs Chicago P.D., Chicago Med, and Chicago Justice. Later in 2015, she made her cinematic debut in the film Beyond the Mask. In 2018, she had a role in the television film Sleeper.