Katherine Sian Moennig (born December 29, 1977) is an American actress best known for her role as Shane McCutcheon on The L Word, as well as Jake Pratt on Young Americans. In 2009, she starred as Dr. Miranda Foster on CBS Three Rivers. Moennig was born in Philadelphia, Pennsylvania, to Broadway dancer Mary Zahn and violin maker William H. Moennig III. Moennig is of German, Scottish, and Irish ancestry.