From Wikipedia, the free encyclopedia Derek Richardson (born January 18, 1976) is an American actor. Derek Richardson was born in Queensbury, New York. He attended Colorado College from 1994 to 1998. He began his career with guest roles on Law & Order and Strangers with Candy. Upon moving to Los Angeles in 2002, he was cast in a recurring role on J.J. Abrams' Felicity as Keri Russell's love interest. He subsequently co-starred in the Dumb and Dumber prequel, Dumb and Dumberer: When Harry M ...