HOLLYWOOD, Calif. — "Watchmen" star Patrick Wilson and his wife, actress Dagmara Dominczyk, have welcomed a new baby boy.

Kassian McCarrell Wilson, the couple's second son, was born on Sunday, People reports.

"Mother and baby are both happy and healthy," a family insider told the mag. "Everybody's great!"

The newest addition joins the Hollywood pair's 3-year-old son, Kalin.

Wilson, 36, and Dominczyk, 33, married in 2005.

The Virginia native, who also starred alongside Katie Holmes in Broadway's "All My Sons," previously told Us Weekly that Kalin was looking forward to having some company.

"He's very excited," Wilson told the mag. "I think he'll make a great older brother."