So, Americans make t.v. series based on movies, whilst us Brits make films based on t.v. shows.It should never work, but on this occasion it does because of a sublime meeting of character and actor. Cliches are sometimes justly so, and Leonard Rossiter was BORN to play Rigsby.This is one of the great comic creations, kind of how Norman Bates would have turned out if he'd been melancholic instead if murderous.