Kenneth Edward "Ken" Olin (born July 30, 1954) is an American actor, director and producer. He is known for his starring role on the television series Thirtysomething, and most recently as Executive Producer, director, and recurring guest star of the television series Brothers & Sisters (2006–present).
As an actor, Olin played Michael Steadman on Thirtysomething (1987–1991) and Dr. Roger Cattan on L.A. Doctors (1998–1999). He was also noted for his performance as Detective Harry Garibaldi on Hill Street Blues and as the lead in the short-lived but critically praised EZ Streets. Olin has also performed in a number of television programs including Alias (as David McNeil), Falcon Crest, and Murder, She Wrote.
Prior to working on Brothers & Sisters, Olin produced and directed the television program Alias. He has directed for other television including L.A. Doctors, The West Wing, Felicity, Judging Amy, Freaks and Geeks, Thirtysomething, and EZ Streets.