Donald L. Hanmer (October 17, 1919 – May 24, 2003) was an American film actor. The Chicago-born actor began his career on Broadway, where he was considered once a big hit. He appeared in 90 films between 1945 until 1991. He died in Monterey, California from cancer at age 83. He was first married to actress Jocelyn Brando, and, later, to Susan Tucker Huntington.