Erica Cerra is a Canadian actress from Vancouver, British Columbia.
She is of Italian descent. Cerra is best known for her portrayal of Deputy Jo Lupo on the Syfy series Eureka. She has had guest roles on several popular and critically acclaimed TV shows including Battlestar Galactica, The L Word and Smallville. Her other roles included parts in The 4400, The Dead Zone, Reaper, Huff and Dead Like Me, Cold Squad, Special Unit 2, The Collector, Warehouse 13, Sanctuary, Supernatural and Motive. She also appeared in the movie releases Man About Town, and Blade:Trinity. Erica had a recurring role in the USA Network series Rush and in the CW series iZombie. She can currently be seen playing the role of A.L.I.E., a mysterious A.I. on the CW TV series The 100.