James Nesbitt starred in the television drama Murphy's Law.
James Nesbitt . Nesbitt has also starred in Murphy 's Law ( 2001 -- 2007 ) as undercover detective Tommy Murphy , in a role that was created for him by writer Colin Bateman . Murphy 's Law is a BBC television drama , produced by Tiger Aspect Productions for BBC Northern Ireland , starring James Nesbitt as an undercover police officer , Tommy Murphy . Murphy 's Law is an American crime drama that starred George Segal and Maggie Han , loosely based on the Trace novels by Warren Murphy .