Marsha Thomason's publicist says the British actress has given birth to her first child, a daughter named Tallulah Anais, in New York.

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"We couldn't be more thrilled with our new arrival," Thomason and her husband Craig Sykes said in a statement to People.com Wednesday.

The baby weighed 8 pounds, 12 ounces when she was born June 12.

Thomason is known for her roles in the TV shows "White Collar," "Las Vegas" and "Lost."

She married Sykes in April 2009.