Cary Grant in "Philadelphia Story" smoking a long stemmed pipe - liked to puff in it hung over Katherine Hepburn's face. Although - not a movie actor Moe in the Three Stooges always smoked a pipe.
In the King's Speech the guy who plays the Prime Minister before Churchill took over puffs on a pipe throughout scenes. John Ritter puffs on a pipe in a scene in Problem Child 2.