Complex sentence: The role of Stephanie was originally created for actress Susan Seaforth Hayes (Julie, of "Days") fame but, after Hayes turned it down, the producers contacted Hayes' former "Days" co-star, Susan Flannery, and she eventually won the role.
Split into simpler sentences: The role of Stephanie was originally created for actress Susan Seaforth Hayes (Julie, of "Days") fame. But after Hayes turned it down, the producers contacted Hayes' former "Days" co-star Susan Flannery, and she eventually won the role.