A BIRTH AND A CATASTROPHIC ILLNESS ROCK THE WALKER FAMILY, ON A SPECIAL TWO-PART "BROTHERS & SISTERS," SUNDAY, MARCH 1 ON ABC

"Troubled Waters," Parts 1 & 2 � In a special two-hour television event, the Walker family experiences the thrill of a new life born and the desperation and terror of loss when one of their own has a life-threatening crisis. Meanwhile, Rebecca turns to her father (guest starring Ken Olin) for help when she discovers some information that could destroy the family business and send one of the Walkers to prison, on "Brothers & Sisters," SUNDAY, MARCH 1 (9:00-11:00 p.m., ET) on the ABC Television Network.

"Brothers & Sisters" stars Dave Annable as Justin Walker, Maxwell Perry Cotton as Cooper Whedon, Kerris Lilla Dorsey as Paige, Sally Field as Nora Holden, Calista Flockhart as Kitty Walker, Balthazar Getty as Thomas Walker, Rachel Griffiths as Sarah Whedon, Luke Macfarlane as Scotty Wandell, Rob Lowe as Senator Robert McCallister, Sarah Jane Morris as Julia Walker, Matthew Rhys as Kevin Walker, Ron Rifkin as Saul Holden, Emily VanCamp as Rebecca Harper and Patricia Wettig as Holly Harper.

Guest starring are Ken Olin as David Caplan, Luke Grimes as Ryan Lafferty, Sonja Sohn as Trish Evans, Michanne Quinney as the secretary, Maia Danziger as the ER nurse, Kristina Lear as Dr. Pat Michaels, Tyrees Allen as Dr. John Massey and Amol Shah as paramedic.

"Troubled Waters," Parts 1 & 2 were written by Molly Newman and David Marshall Grant and directed by Ken Olin.

The series broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound and Spanish subtitles via secondary closed captioning. A TV parental guideline will be posted closer to airdate.

This episode of "Brothers & Sisters" will be available on ABC.com the day after airing on the network for users to watch online.