Derek Richardson began his career in regional theater and off-Broadway productions before he began to land roles on television. His first role was on an episode of "Law & Order" in 2000, and he later obtained a recurring role as Adam Davis on the WB hit "Felicity" in 2002. He has also appeared in "Strangers with Candy" on Comedy Central.
Richardson made his feature film debut playing the starring role of Harry Dunne in the prequel "Dumb and Dumberer: When Harry Met Lloyd" 2003, taking on the role that Jeff Daniels originated in the highly popular 1994 film, "Dumb and Dumber". Derek is also well known for his performance in the film "Hostel". Derek is now looking for his next project.