Which American stand-up comedian starred in  It's Only a Theory
Reginald D. Hunter Reginald Darnell Hunter (born 26 March 1969) is an American stand-up comedian based in the United Kingdom.
Jim Meskimen James Ross Meskimen (born September 10, 1959) is an American stand-up comedian, actor, voice actor and impressionist. He is known for his work on "Whose Line Is It Anyway?". He is also known for his voice over work in video games.