James Sloyan (born February 20, 1940 in Indianapolis, Indiana) is an American actor. He has acted in the television shows Star Trek and Hawaii 5-O. He acted in the movie The Sting. He has also acted in soap operas.
Sloyan is married and has two children, Daniel and Samantha. In 1957, he received a scholarship to the American Academy of Dramatic Arts. He is married to actress Deirdre Lanihan.