Richard Dale Jenkins (born May 4, 1947) is an American actor and comedian. He began his career in theater at the Trinity Repertory Company and made his film debut in 1974. He has worked steadily in film and television since the 1980s, mostly in supporting roles. His first major role did not come until the early 2000s, when he played deceased patriarch Nathaniel Fisher on the HBO funeral drama series Six Feet Under (2001–2005). He is also known for his roles in the films Burn After Reading (2008), Step Brothers (2008), Let Me In (2010), Jack Reacher (2012), The Cabin in the Woods (2012), The Shape of Water (2017), The Last Shift (2020), and The Humans (2021).

Jenkins was nominated for the Academy Award for Best Actor for the drama film The Visitor (2007). He won the Primetime Emmy Award for Outstanding Lead Actor in a Miniseries or a Movie for the limited drama series Olive Kitteridge (2014). For his performance in the fantasy drama film The Shape of Water (2017), he was nominated for the Academy Award, Golden Globe and Screen Actors Guild Award for Best Supporting Actor.