They join J. Smith Cameron, most recently of Broadway's After the Night and the Music.
The play is about a controlling mother (Smith-Cameron) who, confined to a wheelchair, keeps a tight hold of her son (McCabe) by "influencing his enrollment at a nearby college, while her ex-husband (Birney) tried to spring the boy loose."
The production design crew includes Robin Vest (set), Jenny Mannis (costumes), Matthew Richards (lighting) and Obadiah Eaves (sound).
Opening night is April 2.
Frears staged Off-Broadway's Omnium Gatherum and Terrorism. David Marshall Grant, who is also a respected actor (Angels in America), wrote the Off-Broadway play Snakebit, later seen in productions by resident theatres around the country.
His second play, Current Events, premiered at Manhattan Theatre Club. As an actor, he has starred on Broadway in Bent, The Survivor, Angels in America (Drama Desk and Tony Award nominations) and The Three Sisters. Other New York acting credits include James Lapine's Table Settings, Aaron Sorkin's Making Movies, The Tempest in Central Park, and most recently the revival of Paula Vogel's Baltimore Waltz.
Playwrights Horizons presents works at its Mainstage and Peter Sharp Theater on West 42nd Street. Visit www.playwrightshorizons.org.