Mr. Britain (1983 film)

Mr. Britain is an American low-budget comedy film based on the made-for-television film of the same name.

Plot
Dr. Britain is played by Steve Martin in this hilarious comedy film based on made-for-TV film of the same name whereupon a Russian model is kidnapped and killed. And Dr. Britain is on the case and discovers an even more twisted plot to assassinate four of the greatest actors in Britain and he has to solve the case before it's too late.