Peter Boyle (born October 18, 1935, in Philadelphia, Pennsylvania) is an American actor.
A native Philadelphian of Irish descent, Boyle has won praise for playing both comic and dramatic roles. He served in the Army, but his military career was shortened by a nervous breakdown. Boyle was also a monk in the Christian Brothers order, and taught drama at their school in Pittsburgh before turning to acting. He graduated from La Salle University in Philadelphia in 1957. He was briefly part of The Second City Chicago ensemble, and he studied acting with famed acting coach Uta Hagen. He had a brief scene in the critically acclaimed 1969 film Medium Cool.