Sam Trammell Welcomes Twin Sons
08/11/2011 AT 09:20 AM EDT
Sam Trammell and longtime love Missy Yager welcomed "two healthy baby boys" on Tuesday, his rep confirms to PEOPLE.
After meeting in New York doing theater, the pair has been together for eight years.
Yager, 43, has appeared on Mad Men and Boston Public, while Trammell, 42, currently plays Sam Merlotte on the HBO vampire series.
Reporting by BLAINE ZUCKERMAN