Sasha Alexander (born Suzana Drobnjakovic) is an American actress. She is best known for her roles as Helene Runyon on Showtime's Shameless, Maura Isles on TNT's Rizzoli and Isles, Jessica in Love Happens (2009), Catherine in He's Just Not That Into You (2009), Lucy in Yes Man (2008), Melissa in Mission Impossible III (2006), Special Agent Kate Todd on the first two seasons of NCIS, Dr. Jackie Collette on CBS's Presidio Med, Jesse Presser on ABC's Wasteland, and Gretchen Witter on Dawson's Creek.
NCISverse: The First 1,000
Self
2024
Bleeding Love
Michelle
2024
Deathstroke: Knights & Dragons - The Movie
Adeline 'Addie' Kane Wilson (voice)
2020
Dangerous Lies
Detective Chesler
2020
Amazing Stories
Paula Porter · (1 episode)
2020
Deathstroke: Knights & Dragons
Adeline Kane Wilson (voice) · (2 episodes)
2020
The Morning Show
Salma · (1 episode)
2019
FBI
Valerie Caldwell · (1 episode)
2018
The Ride
MaryAnna Buultjens
2018
Amanda McKay
Marianne
2018
Bernard and Huey
Roz
2018
The Girl from Nagasaki
Adelaide
2013
Desperate Acts of Magic
Ellen Taylor
2013
Coming & Going
Alex
2011
Shameless
Helene Runyon · (12 episodes)
2011
Rizzoli & Isles
Dr. Maura Isles · (105 episodes)
2010
Tenure
Margaret
2010
Play Dead
Carol Anne
2009
Love Happens
Jessica
2009
Dark Blue
Julia Harris · (1 episode)
2009
He's Just Not That Into You
Catherine
2009
Yes Man
Lucy
2008
The Last Lullaby
Sarah
2008
Mission: Impossible III
Melissa
2006
Lucky 13
Susie
2005
House
Nora · (1 episode)
2004
On Air with Ryan Seacrest
Self · (1 episode)
2004
NCIS
Caitlin Todd · (49 episodes)
2003
Presidio Med
Dr. Jackie Collette · (16 episodes)
2002
All Over the Guy
Jackie Samantha Gold
2001
Ball & Chain
Chloe Jones
2001
Curb Your Enthusiasm
Michelle · (1 episode)
2000
CSI: Crime Scene Investigation
Robin Childs · (1 episode)
2000
Wasteland
Jesse Presser · (13 episodes)
1999
Law & Order: Special Victims Unit
Anne Mill · (1 episode)
1999
Twin Falls Idaho
Miss America
1999
Dawson's Creek
Gretchen Witter · (20 episodes)
1998
Battle of the Sexes
Annie
1998
Visceral Matter
Karen Chambers
1997
Friends
Shelly · (1 episode)
1994
Law & Order
Kristin Bartell · (1 episode)
1990