An image from Dennis the Menace, one of the productions that also features Jim Jansen.

Jim Jansen

July 27, 1945 — Salt Lake City, Utah, USA

Jim Jansen (born on July 27, 1945 in Salt Lake City, Utah, USA) is an actor who portrayed Dr. Heitz Werber in The X-Files.

Dennis the Menace

1987

1989