Was hired as a writer on Dark Shadows (1966) after producer Dan Curtis attended a party at the Halls' home and asked Sam to come and write for the show. His wife Grayson Hall had been acting on the show for several months at that time.
He and his son, Matthew Hall, wrote on the daytime soap opera One Life to Live (1968) in the
early 1980s. In addition, his wife, Grayson Hall, was an actress on the
show.