Today’s Mystery: Johnny is still doubting a doctor’s story even after being pistol-whipped by the man the doctor alleged threatened to kill him. Original Radio Broadcast Dates: April 18, 19, and 20, 1956 Originated from Hollywood Stars: Bob Bailey as Johnny Dollar, Jeanne Bates, Virginia Gregg, Russell Thorson, Parley Baer, Herb Ellis, Barney Phillips, Lawrence…