Cullen, who currently appears in the Broadway revival of South Pacific, made his playwrighting debut with the work that opened Jan. 14 and was initially extended through Feb. 3. The production will now play an additional week of performances through Feb. 13.

The 90-minute play, according to press notes, tells "one family's timeless war story [about] a young boy looking for a way to finally be a man."

The cast of Safe Home includes Michael Cullen (Cobb, Bug), Ian Hyland ("Spanglish"), Cynthia Mace (Angels in America, The Goat or Who is Sylvia?), Eric Miller (Sweet Storm, Betrayed), Erik Saxvik (Approaching America, Nobody Suspects a Butterfly) and Katy Wright Mead (Your Mom's Feet).

The production has designs by Alex Koch (video and set design), David Bengali (lighting design), Jeanne Wu (sound design) and Lena Sands (costume design).

Cullen has appeared in the films "Revolutionary Road" and "Michael Clayton." His stage credits include The Capeman, James Joyce's The Dead and The Pillowman. Safe Home marks his playwriting debut. Chris Henry & Royal Family Productions present the premiere.

For tickets, priced $18, phone (212) 868-4444 or visit Smarttix. The Women's Interart Center is located at 500 W. 52nd Street.