Laurence Haddon (October 25, 1922 – May 10, 2013) was an American actor, born in Philadelphia, Pennsylvania. He played Ed McCullogh, the brother of Howard McCullough (Beeson Carroll) in the syndicated soap opera television series Mary Hartman, Mary Hartman. He attended Friends' Central School and Syracuse University. He served in the United States Merchant Marine during World War II.
Haddon died of complications associated with Lewy body disease in Santa Monica, California, on May 10, 2013, at the age of 90.
