Katherine Grant was born on March 23, 1970, in
Elizabeth, New Jersey. She attended the
Juilliard School and the
University of Pennsylvania. She appeared
Off-Broadway in
Wonderland in 1999,
Hard Feelings in 2000, ''
Summer of '42 in 2001, Radiant Baby in 2003, The Beard of Avon in 2003, Between Us
in 2004, and The Marriage of Bette and Boo'' by
Christopher Durang in 2008. Grant appeared on Broadway in
An American Daughter as "Quincy Quince", and in
Proof as "Claire", from July 2, 2002 - January 5, 2003, both as replacements. She appeared in
Guys and Dolls in 2009 as "Sarah Brown",
The Lyons in 2012,
The Country House in 2014, and
Noises Off officially opening in January 2016. On television, Grant has guest starred on
Sex and the City,
Law & Order,
Law & Order: Criminal Intent,
Law & Order: Special Victims Unit,
Damages,
Supernatural and many other shows. She had the recurring roles in the ABC political drama
Commander in Chief and Amazon political satire
Alpha House. In film, she made her debut in the 1998 romantic comedy
The Object of My Affection starring
Jennifer Aniston, and the following years had supporting parts in films include
Kinsey and
When a Stranger Calls. She played
Lauren Catuzzi Grandcolas in the 2006 biographical drama
United 93, and appeared as
Diane Sawyer in the 2008 historical drama
Frost/Nixon. She also appeared in
The Rebound (2009),
Love & Other Drugs (2010), and
Custody (2016). In 2016, Grant was cast in her first series regular role on the ABC drama series
Notorious playing Louise Herrick, the host of a news program at the center of the series. ==Filmography==