Mitchell Kosterman: Mitchell Kosterman. Actor: Smallville. Mitch was born and raised in British Columbia. He started his acting career in 1987. He is best known for his work on Smallville (2001) as Sheriff Ethan Miller. Catch Mitch in the upcoming flick White Noise (2005) starring Michael Keaton. He has three children: Cassandra, Stuart, and Jack. Mitch likes spending time with his family watching movies. He also enjoys reading and writing.
Known For: Smallville (Deputy Ethan MillerSheriff Ethan Miller), White Noise (Work Man), Safe Harbor (Joe Avery), Supernatural Fandom (Producer)