The actors will welcome a sibling for 5-year-old daughter Ramona, her rep tells PEOPLE

By Sarah Michaud
Updated November 28, 2011 04:45 PM
Vittorio Zunino Celotto/Getty

Maggie Gyllenhaal and Peter Sarsgaard are expanding their family.

The actors are expecting their second child together, her rep confirms to PEOPLE.

The Hysteria star and Green Lantern‘s Sarsgaard, 40, wed in 2009 and are already parents to 5-year-old daughter Ramona.

“I just didn’t have a clue,” Gyllenhaal, 34, has said of motherhood.

“There’s no way to prepare for the challenges, the immense joys, the surprises, the disappointments and the shocks,” she said. “Your heart just rips open. It’s amazing.”

Reporting by JULIE JORDAN