Gerald Mohr (June 11, 1914 – November 9, 1968) was an American radio, film, and television character actor and frequent leading man, who appeared in more than 500 radio plays, 73 films, and over 100 television shows. One of Mohr's early starring roles on radio was as a replacement for Matt Crowley for a brief interval in Jungle Jim in 1938.  He starred as Raymond Chandler's hardboiled detective, Philip Marlowe, 1948–1951, in 119 half-hour radio plays. He also starred in The Adventures of Bill Lance, and as Michael Lanyard in The Lone Wolf.

Other radio appearances include The Jack Benny Program, Our Miss Brooks, The Shadow of Fu Manchu, Box 13, Escape, Suspense, and Lux Radio Theatre.