Emerging from a business-focused upbringing in New York and Los Angeles, Denning earned an MBA before serving on submarines in the U.S. Navy, then shifted to acting. He first appeared in minor film roles in the 1930s, gained national attention as the husband on the radio sitcom My Favorite Husband (1948-1951), and later transitioned to television, headlining series such as Ding Howe, The Flying Do…
