Katherine Sian Moennig is an American actor. She is best known for her role as Shane McCutcheon on The L Word (2004–09), as well as Jake Pratt on Young Americans (2000). Moennig played the role of Lena in the Showtime series Ray Donovan from 2013 to 2019. She played a recurring role on Grown-ish on Freeform as Professor Paige Hewson in season 2 and 3. She reprised her role as Shane McCutcheon in The L Word: Generation Q in 2019.