Greg Graham in the 1959 series, The Flying Doctor. He also starred as the title character in the detective series Michael Shayne (1960–1961) and shared title billing with Barbara Britton in the detective series Mr. and Mrs. North (1952–1954). In 1964-1965, Denning played Steve Scott in the comedy series Karen. In later life, he had a recurring role as the fictitious governor of Hawaii, Paul Jameson, in the CBS television crime drama series, Hawaii Five-O (1968–1980), starring Jack Lord. He appeared three times on the ABC religion anthology series Crossroads, as Dr. Ira Langston in "Chinese Checkers" (1955) and as the Reverend George Bolton in "The Bowery Bishop" and as the Reverend Lloyd E. Williams in "The Pure White Orchid" (both 1956). In other activity on radio, Denning played Uncle Jack in It's a Crime, Mr. Collins (1956-1957) on the Mutual Broadcasting System. He also was the second actor to play Jerry North in the radio version of Mr. and Mrs. North. Denning later appeared in several 'B' crime drama films before starring in science fiction and horror films. In 1957, he began the first of a series of television appearances, usually as a supporting character, though he did star briefly in two television dramas, The Flying Doctor (1959), and Michael Shayne (1960–61). In 1968, Denning completed his last film, a comedy titled I Sailed to Tahiti with an All-Girl Crew. Semi-retired and living on the island of Maui with his wife, Denning was contacted by producer Leonard Freeman, who offered him the supporting role as the governor of Hawaii in the TV detective series, Hawaii Five-O. In order to persuade Denning to sign on in the recurring role, Freeman guaranteed Denning five-hour days and a four-day work week. Recognition Denning has a star at 6932 Hollywood Boulevard in the Television section of the Hollywood Walk of Fame. It was dedicated on February 8, 1960. Personal life In 1942, Denning married 1940s horror film queen Evelyn Ankers (co-star of The Wolf Man, Ghost of Frankenstein and Son of Dracula), who retired from films at the age of 32 after they were married. He and Ankers had a daughter, Diana Denning (later Dwyer). After Ankers' death from cancer in 1985, he remarried to Patricia Leffingwell. Denning died of a heart attack at the age of 84 on October 11, 1998 while visiting relatives in Southern California. Denning and Ankers are buried