Morena was born on June 2, 1979 in Rio de Janeiro, Brazil
Morena started acting in 2001. She's probably best known as playing Inara in the 2002 series Firefly, and the subsequent movie Serenity. She played Maggie Jones in the 2003 series Still Life. She had guest spots in The O.C., How I Met Your Mother, a recurring role in Heartland as Nurse Jessica Kivala, she played Anna in V, and is currently in the series Homeland as Jessica Brody.