Mark Tymchyshyn Is an American Actor Who Is Probably Best Remembered for His Portrayal as Mel Powers, a Factory Owner, in the George Lopez Television Series. in Collaboration with Writer Sam Shepard, He Directed a Lie of the Mind. He Has Also Appeared in a Number of Television Series, Including Er, Monk, Seinfeld, and Boston Legal. He Starred as Gavin Kruger on the Daytime Drama as the World Turns from 1990 to 1992, and He Also Had an Appearance in an Episode of Malcolm in the Middle in 2000. He Was Born in New York City and Raised in Los Angeles. He Had Initially Planned to Become a Teacher, but He Has Already Established Himself as an Actor and a University Lecturer.