Today’s Mystery: Johnny’s predecessor in guarding in a show dog died under mysterious circumstances. Can Johnny avoid his fate? Original Radio Broadcast Dates: April 11-13, 1956 Originated from Hollywood Stars: Bob Bailey as Johnny Dollar, Jeanette Nolan, Harry Bartell, Byron Kane, Jack Kruschen, Bill James, James McCallion, Ken Christy, Dick Ryan, Bert Holland, Jack Edwards,…