The famous actor began his career appearing in the series Little House in the Prairie in 1974 at the early age of 16. He then made a regular appearance in the series Baa Baa Black Sheep from 1976-1978 as the role of Pilot Jerry Bragg. His movie career started with the movies Midnight Madness and Raise the Titanic in 1980. His career then inclined in a way that he never had to look back. Trouble in Mind, Starman, Made in Heaven and Mad City are the best movies he has featured and performed well. On digging into the personal life of the actor, he was married to Danielle Aubuchon who is the daughter of famous actor Jacques Aubuchon. 57 years old actor seems to be having a great time with his family and wife since there are no signs of divorce or an extra-marital affair. The net worth of Dirk is estimated to be 4 million Dollars.