Katherine Sian Moennig (born December 29, 1977 in Philadelphia, Pennsylvania) is an American actress best known for her role as Shane McCutcheon on The L Word, as well as Jake Pratt on Young Americans. Currently, she plays Lena in the Showtime series Ray Donovan.
Moennig realized she's a lesbian as a result of her role on The L Word, and is married to Brazilian musician Ana Rezende. She has also been active in drawing attention to the plight of homeless LGBT+ youth. Blythe Danner is half-sister to Moennig's father, thus she's Gwyneth Paltrow's half-cousin.
- 2006 Art School Confidential as Candace
- 2009 Everybody's Fine as Jilly
- 2011 The Lincoln Lawyer as Gloria
- 2012 Gone as Erica Lonsdale
- 2000 Young Americans as Jacqueline "Jake" Pratt
- 2004-2009 The L Word as Shane McCutcheon
- 2019-present The L Word: Generation Q as Shane McCutcheon
- 2009-2010 Three Rivers as Dr. Miranda Foster
- 2013-2019 Ray Donovan as Lena