Horace McMahon was an American actor born on May 17, 1906, in South Norwalk, Connecticut. He developed an interest in acting while attending Fordham University School of Law.
During his early career, McMahon predominantly played characters like thugs or jailbirds. However, his breakthrough role came in 1949 when he starred as Lieutenant Monaghan in the acclaimed drama play Detective Story. He reprised his character in the 1951 film adaptation, alongside Kirk Douglas and Eleanor Parker.
In addition to his work on stage and screen, McMahon had a successful television career. He starred in the ABC police series Naked City, playing the role of Lt. Mike Parker, a tough but compassionate police officer who prioritized justice and adhered to the rules. His performance earned him an Emmy Award nomination.
In 1964, McMahon appeared in the CBS drama series Mr. Broadway, playing Hank McClure, a police contact. He also lent his voice to commercials, including those for Close-Up toothpaste and Armstrong tires.
In recognition of his contributions to the entertainment industry, a 375-seat theater was named after McMahon in the McCrory Building on Washington Street in South Norwalk, Connecticut.
McMahon was married to actress Louise Campbell from 1938 until his death in 1971. His wife and their daughter, Martha McMahon, who also became an actress, survived him.