ADDISON TAKES A LEAVE OF ABSENCE FROM SEATTLE GRACE AND HEADS TO LOS ANGELES TO RECONNECT WITH OLD FRIENDS, ON A SPECIAL TWO-HOUR EPISODE OF ABC'S "GREY'S ANATOMY"

Featuring an All-Star Guest Cast Including Paul Adelstein ("Prison Break"), Amy Brenneman ("Judging Amy"), Tim Daly ("The Fugitive," "The Nine"), Taye Diggs ("Rent," "Day Break"), Merrin Dungey ("Alias") And Chris Lowell ("Veronica Mars")

The Legendary Diahann Carroll Returns as Preston Burke's Mother, Jane

Elizabeth Reaser ("Sweet Land") Returns as Ave/Jane Doe

"The Other Side of This Life" � Addison takes temporary leave from Seattle Grace and makes a road trip to Los Angeles in order to visit some old friends from medical school. As Meredith continues to bond with her stepmother, Susan, Cristina reluctantly plans her wedding with the assistance of her mother, Helen, and Burke's mother, Mama Jane. Meanwhile, Derek must perform emergency surgery on Ava/Jane Doe, as Alex continues his unfailing bedside manner with her, on "Grey's Anatomy," THURSDAY, MAY 3 (9:00-11:00 p.m., ET) on the ABC Television Network.

Editors note: This program will repeat Fri., May 4 (8:00-10:00 p.m., ET).

"Grey's Anatomy" stars Ellen Pompeo as Meredith Grey, Patrick Dempsey as Derek Shepherd, Sandra Oh as Cristina Yang, Isaiah Washington as Preston Burke, Katherine Heigl as Isobel "Izzie" Stevens, Justin Chambers as Alex Karev, T.R. Knight as George O'Malley, Chandra Wilson as Miranda Bailey, James Pickens, Jr. as Richard Webber, Kate Walsh as Addison Shepherd, Sara Ramirez as Callie Torres and Eric Dane as Mark Sloan.

"The Other Side of This Life" was written by Shonda Rhimes and directed by Michael Grossman.

"Grey's Anatomy" 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 posted closer to airdate.