Complex sentence: She is best known for her role in CBS series "The Unit" (2006--2009) and her recurring roles as Lyla Michaels in "Arrow" (2013-present) and Lilly in "The Walking Dead" (2014).
Split into simpler sentences: She is best known for her role in CBS series "The Unit" (2006--2009). She noted for her recurring roles as Lyla Michaels in "Arrow" (2013-present) and Lilly in "The Walking Dead" (2014).