(written from a Production point of view)
Teddy was one of the two timber wolves who appeared as the wolf in the Star Trek: The Next Generation seventh season episode "Dark Page". The other wolf was Buck. They were trained by Rob Bloch, Chris Edrington, and Bobbi Edrington of Critters of the Cinema as well as Working Wildlife.
Teddy and Buck previously appeared as the wolf "Two Socks" in the 1990 Academy Award winning drama Dances with Wolves. Their final live action appearance was in Lassie (1994) and Rudyard Kipling's The Jungle Book (1994).