Peter McRobbie (born 31 January 1943) is a Scottish-born American character actor, best known for his roles as John C. Twist in the 2005 romantic drama film Brokeback Mountain, Mike Sheenan in the 2006 action film 16 Blocks, Pop Pop Jamison in the 2015 horror film The Visit and Father Paul Lantom in Daredevil, as well as recurring roles in the TNT series The Alienist and as Judge Walter Bradley in the Law & Order franchise.

Early life
McRobbie was born in Hawick, Scottish Borders, Scotland, the son of Mary Fleming (née Heigh), a writer, and William McRobbie, a storekeeper. In the early 1950s, he moved with his parents to the United States, where he became an American citizen.

He attended Yale Drama School, from which he graduated in 1966. He then studied in graduate school at the University of Tulsa for one year and studied acting with German-American actress Uta Hagen and actor James Saito at HB Studio in New York City.

From 1966 to 1968, McRobbie served in the United States Army and was stationed at Fort Sill, Oklahoma and became a Specialist 5.