Stockard Channing announced (Oct. 5) on TV's "Rosie O'Donnell Show" that she will be joining Laurence Fishburne in Roundabout Theatre's Broadway revival of The Lion In Winter. The show begins previews Feb. 3, 1999, with a tentative Feb. 25, 1999, opening. Roundabout spokesperson Erin Dunn confirmed the casting.

Channing is a Broadway veteran, what with Six Degrees of Seperation, Four Baboons Adoring the Sun and the latest revival of Lillian Hellman's Little Foxes on her resume. She also appeared in Lincoln Center's Hapgood and reached fame playing Rizzo in the film of "Grease."

Lion was announced for last season, but star Fishburne had scheduling problems. The ubiquitous Michael Mayer (Side Man, A View From The Bridge, Stupid Kids, Triumph of Love and the upcoming You're A Good Man, Charlie Brown ) will direct James Goldman's romantic drama about Henry II's love/hate relationship with Eleanor of Aquitaine.

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In other Roundabout news, joining Faith Prince and Martin Short in the Roundabout Theatre's upcoming Broadway revival of Little Me will be two veterans of Off Broadway's Forbidden Broadway revue, Michael McGrath and Christine Pedi. Current Roundabout productions include Cabaret, and the upcoming Broadway transfer of Side Man , starring Christian Slater, to the John Golden Theatre.

For tickets and information on Roundabout shows call (212) 719-1300. Seven-play subscriptions run $231-$288, with discounted series for teachers and for kids ages 13-18.