HURLEY ENLISTS LIBBY'S HELP WHEN HE BEGINS TO THINK THE ISLAND IS HAVING A STRANGE EFFECT ON HIM, AND LOCKE QUESTIONS HIS OWN PURPOSE, ON ABC'S "LOST"

"Dave" - Libby lends Hurley support when he begins to think the island is having a strange effect on him, and Locke's sense of purpose is shaken when the prisoner provides new information about the hatch, on "Lost," WEDNESDAY, APRIL 5 (9:00-10:01 p.m., ET), on the ABC Television Network.

"Lost" stars Adewale Akinnuoye-Agbaje as Mr. Eko, Naveen Andrews as Sayid, Emilie de Ravin as Claire, Matthew Fox as Jack, Jorge Garcia as Hurley, Josh Holloway as Sawyer, Daniel Dae Kim as Jin, Yunjin Kim as Sun, Evangeline Lilly as Kate, Dominic Monaghan as Charlie, Terry O'Quinn as Locke, Harold Perrineau as Michael, Michelle Rodriguez as Ana Lucia and Cynthia Watros as Libby.

Guest starring are Michael Emerson as Henry Gale, Evan Handler as Dave, Bruce Davison as Dr. Brooks, Ron Bottitta as Leonard and Grisel Toledo as nurse.

"Dave" was written by Edward Kitsis & Adam Horowitz and directed by Jack Bender.

"Lost" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound and Spanish audio via SAP.

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