(Cover) - EN Showbiz - True Blood star Ryan Kwanten is convinced that co-stars Anna Paquin and Stephen Moyer will be great parents.

The actress and her husband Stephen Moyer announced in April that they are expecting their first child together.

The couple appear alongside each other in American vampire drama True Blood as lovers Bill Compton and Sookie Stackhouse.

Ryan is elated for Anna and Stephen's new tyke, as he believes the child will be reared in a loving, exciting home.

"[They are] going to make amazing parents!" Ryan gushed to Us Weekly. "They have a real lust for life. Yes, they're adults, but they're both very young at heart. I would love to be raised in that household!"

Anna's eagerness to become a parent is palpable.

"Anna's excited [about motherhood]," Ryan noted. "She's got that positivity, that radiant glow. She's amazing!"

Stephen has two children from previous relationships.

Stephen, 42, and Anna, 29, began dating in 2007 after they met on the True Blood set. They got engaged in 2009 and married a year later in a romantic Malibu ceremony.

True Blood premiered its fifth season Sunday June 10. (C) Cover Media