Valerie Cruz has signed on for a recurring role on HBO's vampire drama True Blood, Tim Guinee is set for a recurring role on Fox's 24, and Clifton Powell will recur on Lifetime's Army Wives, according to The Hollywood Reporter.

On True Blood, Cruz (Dexter) will play Isabel, an elegant Hispanic vampire.

On 24, Guinee (Iron Man) will play Ken Dellao, a news reporter with ties to First Daughter Olivia Taylor (Sprague Grayden).

Related: Second True Blood Season 7 Trailer!

On Army Wives, Powell (Rush Hour) will play a psychologist who specializes in helping war veterans suffering from post-traumatic stress.