
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. Moennig moved to New York City at the age of 18 to study at the American Academy of Dramatic Arts. Moennig has played multiple lesbian roles in The L Word, Everybody's Fine, Art School Confidential. She has also pursued transgender roles, auditioning for the part of Brandon Teena in Boys Don't Cry, and playing Cheryl Avery, a young transgender woman in Law and Order. In 2007, the documentary My Address: A Look At Gay Youth Homelessness in New York was launched with Moennig in cooperation with the Hetrick-Martin Institute (HMI).

Law & Order
TV • 1990

Law & Order: Special Victims Unit
TV • 1999

CSI: Miami
TV • 2002

Dexter
TV • 2006

Ray Donovan
TV • 2013

grown-ish
TV • 2018

grown-ish
TV • 2018

The L Word
TV • 2004

Best Week Ever
TV • 2004

The L Word: Generation Q
TV • 2019

Three Rivers
TV • 2009

No Good Deed
TV • 2024

Bottomless Brunch at Colman's
TV • 2020

The Shipping News
MOVIE • 2001

Young Americans
TV • 2000

The Lincoln Lawyer
MOVIE • 2011

Everybody's Fine
MOVIE • 2009

Gone
MOVIE • 2012