The Actors Studio's three-week mission to read all 23 plays produced by the legendary Group Theatre will begin on April 28 with Paul Green's The House of Connelly. The play readings will continue through May 18, with at least one play read every night except Mondays, when panel discussions will take place.

Studio members such as Cliff Robertson, Anne Jackson, Eli Wallach, Harvey Keitel, Rip Torn, Delroy Lindo, and Ruben Blades are expected to take part in the series. The exact casting for each reading is not yet available.

Following is a list of the entire schedule of panels and readings:

April 27: Panel: "The Group Theatre," featuring Wendy Smith
April 28: The House of Connelly by Paul Green
April 29: 1931 by Paul and Claire Sifton
April 30: Men in White by Sidney Kingsley
May 1: Night Over Taos by Maxwell Anderson
May 2: Gold Eagle Guy by Melvin Levy
May 3: Success Story by John Howard Lawson
May 4: Panel: "Lee Strasberg," with Mel Gordon and Helen Krich Chinoy
May 5: Johnny Johnson by Paul Green and Kurt Weill
May 6: Casey Jones by Robert Ardrey
May 7: The Gentle People by Irwin Shaw
May 8: My Heart's in the Highlands by William Saroyan
May 9: Thunder Rock by Robert Ardrey
May 10: Night Music and Awake and Sing by Clifford Odets
May 11: Panel: "Clifford Odets," featuring Joanne Woodward
May 12: Waiting for Lefty" and Til the Day I Die by Clifford Odets
May 13: Golden Boy by Clifford Odets
May 14: Paradise Lost by Clifford Odets
May 15: Rocket to the Moon by Clifford Odets and Retreat to Pleasure by Irwin Shaw
May 16: Weep for the Virgins by Nelisse Child and Gentlewoman by John Howard Lawson
May 17: Big Night by Dawn Powell and Case of Clyde Griffiths by Erwin Piscator and Lena Goldschmitt
May 18: Panel: "Elia Kazan"

Each evening commences at 7 PM. All events are free, though guaranteed seating is available for a tax-deductible contribution of $100. For information, call (212) 757-2467. -- By Robert Simonson