Ebersole will play a cattle rancher on the hit series, which airs at 10 PM ET on ABC-TV; check local listings. The April 30 episode is titled "Indecent Proposals."

TV Guide describes the "Boston Legal" episode as such: "Denny is head over heels for a cattle rancher (Christine Ebersole) who wants the government to stop the sale of cloned meat. Meanwhile, Shirley asks Alan to sue the Democratic Party when her nephew — a delegate — disagrees with his state's primary vote."

"Boston Legal" stars James Spader as Alan Shore, Candice Bergen as Shirley Schmidt and William Shatner as Denny Crane.

For her work in the dual roles of Edith Bouvier Beale and "Little" Edie Beale in the Off-Broadway and Broadway productions of Grey Gardens, Christine Ebersole was honored with the Tony Award, the Drama Desk Award, an Outer Critics Circle Award, an Obie, a special citation from the New York Drama Critics Circle and the Drama League's 2006 Distinguished Performance of the Year Award. She also received a Tony Award for Best Performance by a Leading Actress in a Musical for her work as Dorothy Brock in the hit revival of 42nd Street and a 2003 Tony nomination for her performance in Lincoln Center's production of Dinner at Eight. Ebersole's other Broadway credits include The Best Man, Getting Away with Murder, Harrigan 'n Hart, Camelot, Oklahoma!, On the Twentieth Century, I Love My Wife, Angel Street and the City Center Encores! productions of A Connecticut Yankee, Ziegfeld Follies of 1936, Lady in the Dark and Allegro. Ebersole was also seen Off-Broadway in Talking Heads and in the recent City Center Encores! production of Applause.