Philip Marlowe "The Deep Shadow" 3/21/50 Oldtime Radio Crime Drama The Adventures of Philip Marlowe came to Radio in the Summer of 1947 as a Pepsodent Program replacement for their wildly popular show starring Bob Hope and his ensemble. Both CBS and Pepsodent promoted the first nine programs to the maximum extent. In all likelihood as much to promote Van Heflin himself, as to keep The Pepsodent Program's time slot nice and cozy for Bob Hope's return in The Fall of 1947. Indeed, the fact that Van Heflin got far greater billing than Raymond Chandler himself, demonstrates the relative celebrity of the two diverse talents for their time.