Diane Farr is an American actress, producer, and writer. She is known for her roles as the FBI agent Megan Reeves in the CBS television series Numb3rs and the firefighter Laura Miles in Rescue Me.
Farr was a co-host for 200 episodes of the advice program Loveline on MTV and made guest appearances on The Drew Carey Show, Arli$$ and CSI. She portrayed the recurring role of Amy DeLuca, mother to the series co-star Majandra Delfino’s character Maria, on The WB’s and later UPN’s Roswell. She also played Maddie Hudson on The WB’s Like Family. Later, she played Detective Jan Fendrich on the ABC series The Job, co-created by and starring Denis Leary. Following the end of that series, she appeared in the cast of Rescue Me (also co-created by and starring Leary), playing a firefighter for two seasons. She left Rescue Me to star as FBI agent Megan Reeves on the CBS crime drama Numb3rs.
Farr opted not to renew her contract and left Numb3rs following the fourth season of the show. Farr starred in her final episode on May 18, 2008. Farr then joined the Showtime cable-television series Californication for a 10-episode run in autumn 2009.
Farr guest-starred in season seven of Grey’s Anatomy where, in episode 130, she played the role of a patient with Huntington’s Disease under the care of Meredith, played by the series star Ellen Pompeo. She also had a recurring role in the final season (2012–13) of the Grey’s Anatomy spin-off series, Private Practice, as Miranda, a terminal cancer patient and the love interest of Dr. Sheldon Wallace (Brian Benben).
On June 26, 2006, she married the 36-year-old entertainment marketing executive Seung Yong Chung.