Appeared in over 40 episodes of "The Adventures of Ozzie & Harriet" (1952) as one of Ricky Nelson's fraternity brothers. He got his start on that show because he was one of Ricky's bodyguards.
Appeared with "Adam-12" (1968) co-star Martin Milner in Nashville Beat (1989) (TV), a movie for The Nashville Network. McCord played an LAPD captain going to visit his friend, Milner, an ex-LA cop who became a Nashville cop.
Between 1961 and 1965, besides appearing on "The Adventures of Ozzie & Harriet" (1952), he worked as an extra, bit player and stuntman.
Elected to the Screen Actors Guild's National Board of Directors in 1972 and served on the Board for 11 years. He was twice elected First Vice President. He also chaired the Children's Committee, the Guild's Publications Committee, the Agents Relations Committee and represented the American acting community to The Federation Internationale des Acteurs (FIA).
Is a fan of auto racing, especially the Indianapolis Speedway
Married his high school sweetheart, has three children: Kristen McCord (who appeared on his show, "Adam-12" (1968)), Megan McCord (who appeared in Pine Canyon Is Burning (1977) (TV)), and Michael.
Started working when he was 10 years old, in his father's gas station. He earned 50 cents an hour. He worked at an airport all through high school.
Won the Screen Actors Guild's prestigious Ralph Morgan Award in June of 1999