Huntington is best known for playing the werewolf Josh on the show "Being Human."
He will play a jazz musician named Ethan in Season 4 of "Warehouse 13," currently being shot in Toronto.
"We love bringing other Syfy icons on to 'Warehouse 13,'" the show's Executive Producer Jack Kenny said in a statement Tuesday. "There's something they just 'get' about the genre. People like [past guest stars] Kate Mulgrew, Lindsay Wagner, Jaime Murray and Rene Auberjonois know that delicate balance we play between humor, drama and action. And Sam Huntington is a natural fit for us. Funny, charming, smart and compelling, he plays Ethan -- a young jazz musician, desperate to leave his mark on the world of New Orleans jazz -- even if it means a great sacrifice."