Which American stand-up comedian starred in  It's Only a Theory
It's Only a Theory It's Only a Theory is a British television panel game show, first aired on BBC Four in 2009. It was conceived by and starred Andy Hamilton and featured Reginald D. Hunter as a regular panelist. Announced by the BBC in April 2009, the eight episode series was produced by Hat Trick Productions.
Norm Macdonald Norman Gene Macdonald (born October 17, 1959) is a Canadian stand-up comedian, writer, producer and actor. He is known for his five seasons as a cast member on "Saturday Night Live", which included anchoring "Weekend Update" for three years. Early in his career, he wrote for the sitcom "Roseanne" and made appearances on shows including "The Drew Carey Show" and "NewsRadio". He starred in "The Norm Show" from 1999 to 2001. Comedy Central named him #83 on the five-part miniseries "100 Greatest Stand-ups of All Time" . His brother is Canadian journalist Neil Macdonald, of CBC News.