Laura Vandervoort (Supergirl on SMALLVILLE) has joined the cast of Seth MacFarlane's TED, reports Deadline.com. She will play the gorgeous co-worker of lead Mark Wahlberg, who plays a grown man who still has his talking teddy bear (MacFarlane) running his life. The cast also includes Mila Kunis, Joel McHale, Giovanni Ribisi and Patrick Warburton. Universal Pictures and Media Rights Capital are the studios.