KATE MUST TAKE DRASTIC MEASURES TO SAVE BEN'S LIFE WHEN JACK REFUSES TO HELP, ON ABC'S "LOST"

"Whatever Happened, Happened" � Kate goes to extreme measures to save Ben's life when Jack refuses to help. Meanwhile, Kate begins to tell the truth about the lie in order to protect Aaron, on "Lost," WEDNESDAY, APRIL 1 (9:00-10:02 p.m., ET) on the ABC Television Network.

"Lost" stars Naveen Andrews as Sayid, Henry Ian Cusick as Desmond, Jeremy Davies as Daniel Faraday, Michael Emerson as Ben, Matthew Fox as Jack, Jorge Garcia as Hurley, Josh Holloway as Sawyer, Daniel Dae Kim as Jin, Yunjin Kim as Sun, Ken Leung as Miles, Evangeline Lilly as Kate, Elizabeth Mitchell as Juliet and Terry O'Quinn as Locke.

Guest starring are Nestor Carbonell as Richard Alpert, Kim Dickens as Cassidy, Doug Hutchison as Horace Goodspeed, Susan Duerden as Carol Littleton, Sterling Beaumon as young Ben, Patrick Fischler as Phil, Jon Gries as Roger Linus, William Blanchett as Aaron, Sebastian Siegel as Erik, Candace Scholz as Debra, Susan King as sweet young woman, Miko Franconi as grocery worker, Scott Moura as manager and Olivia Vickery as Clementine.

"Whatever Happened, Happened" was written by Carlton Cuse & Damon Lindelof and directed by Bobby Roth.

"Lost" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound and Spanish audio via SAP. A TV parental guideline will be assigned closer to airdate.

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