You probably don't know his name, but you definitely know James Karen's face. The prolific character actor, best known for his role as the unscrupulous developer Mr. Teague in 1982's Poltergeist, passed away in his Los Angeles home on Tuesday at the age of 94.MGM/UA Entertainment Co.Over the course of his seven-decade career, Karen racked up over 200 acting credits across movies, television, and even video games. If you watch just about any of the most popular television shows from the 1970s, 80s, or 90s, you're guaranteed to see him pop up sooner or later. Born Jacob