The Adventures of Philip Marlowe was a radio series featuring Raymond Chandler's private eye, Philip Marlowe. It first aired 17 June 1947 on NBC radio under the title "The New Adventures of Philip Marlowe", with Van Heflin playing Marlowe. The first episode adapted Chandler's short story "Red Wind". The NBC series ended 9 September 1947.
In 1948, the series moved to CBS, where it was called "The Adventure of Philip Marlowe", with Gerald Mohr playing Marlowe. This series also began with an adaptation of "Red Wind", using a script different from the NBC adaptation. By 1949, it had the largest audience in radio. The CBS version ran for 114 episodes. Toward the end it was a summer replacement for Hopalong Cassidy. Mohr played Marlowe in all but one of the CBS shows. He was replaced by William Conrad in the 1950 episode, "The Anniversary Gift".
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