A WISTERIA LANE NEIGHBOR'S DARKEST SECRET IS REVEALED, ON ABC'S "DESPERATE HOUSEWIVES"

"Liaisons" � Tom feels threatened by the interest a new Scavo's Pizzeria employee shows in Lynette, Susan considers moving from Wisteria Lane and a neighbor's darkest secret is revealed, on "Desperate Housewives," SUNDAY, APRIL 15 (9:00-10:01 p.m., ET) on the ABC Television Network.

"Desperate Housewives" stars Teri Hatcher as Susan Mayer, Felicity Huffman as Lynette Scavo, Marcia Cross as Bree Van De Kamp, Eva Longoria as Gabrielle Solis, Nicollette Sheridan as Edie Britt, Brenda Strong as Mary Alice Young, James Denton as Mike Delfino, Doug Savant as Tom Scavo, Ricardo Antonio Chavira as Carlos Solis, Kyle MacLachlan as Orson Hodge, Andrea Bowen as Julie Mayer, Shawn Pyfrom as Andrew Van De Kamp, Joy Lauren as Danielle Van De Kamp, Josh Henderson as Austin Britt, Rachel Fox as Kayla Huntington and Brent and Shane Kinsman as Porter and Preston Scavo.

Guest starring are John Slattery as Victor Lang, Dougray Scott as Ian Hainsworth, Jake Cherry as Travers McLain, Jason Gedrick as Rick Coletti, Kathryn Joosten as Mrs. McCluskey, Corey Mendell Parker as doctor, Kenneth Kimmins as Mayor Johnson, Mel Fair as moderator, Kylie Sparks as Kim, Pat Asanti as Arnold, Pat Crawford Brown as Ida Greenberg, Michael Guarnera as Toby, Thomas Crawford as campaign rally introducer, Ron Rogge as middle-aged man, John Harnagel as Gilbert McCluskey and Wayne Lopez as Clyde.

"Liaisons" was directed by David Grossman and written by Alexandra Cunningham & Jenna Bans.

"Desperate Housewives" 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.