Dr. Silas Clay and Sam Morgan are fictional characters and a fictional couple on the ABC daytime soap opera, General Hospital. Silas was portrayed by Michael Easton from May 2013 to August 2015. Sam has been portrayed by Kelly Monaco since 2003. Sam ended their relationship in July 2014 because of Silas' then wife, Nina. In 2015, Silas was murdered by Madeline Reeves.