Born: 27 February 1949 (76 years old) Gender: Female
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Debra Monk is an American actress best known for her recurring television roles as Katie Sipowicz in NYPD Blue (1996-2001), as Louise O'Malley in Grey's Anatomy (2006-2011) and as Deniece Parsons in Damages, from 2007-2012.
Show
Character
Blindspot - Season 1
Colonel Powers
Brothers & Sisters - Season 5
Alexandra Kirby
Damages - Season 1
Deniece Parsons
Damages - Season 2
Damages - Season 3
Damages - Season 4
Damages - Season 5
Desperate Housewives - Season 3
Marcella
Difficult People - Season 1
Bunny Tack
Frasier - Season 11
Nurse Karen
Ghost Whisperer - Season 5
Anne Sullivan
Girls - Season 3
Dr. Sterns
Glee - Season 1
Will's Mother
Grey's Anatomy - Season 3
Louise O'Malley
Grey's Anatomy - Season 4
Grey's Anatomy - Season 6
Grey's Anatomy - Season 8
Hot in Cleveland - Season 5
Loretta
Kristin - Season 1
Jeannie Yancey
Law & Order - Season 5
Kathleen O'Brien
Law & Order - Season 12
Dr. Madelyn Stahl
Law & Order - Season 15
Judge
Law & Order: Criminal Intent - Season 7
Warden Pellis
Madam Secretary - Season 1
Mary Lou Boris
Mozart in the Jungle - Season 1
Betty
Mozart in the Jungle - Season 2
Mozart in the Jungle - Season 3
NCIS: New Orleans - Season 3
CEO Sarah Laroche
Notes from the Underbelly - Season 1
Andrew's Mom
NYPD Blue - Season 3
Katie Sipowicz
NYPD Blue - Season 6
NYPD Blue - Season 7
NYPD Blue - Season 8
Reckless - Season 1
Judge Moss
The Closer - Season 5
Mary Summers
The Good Wife - Season 7
Tracy Mintz
White Collar - Season 3
Mrs. Mitchell
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New on TV today: Sunday 14 September 2025
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New on TV today: Friday 12 September 2025
Netflix unpacks the Beauty and the Bester and BBC Brit presents Freddie Flintoff's Field of Dreams.
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