Sarah Mason is a character on the American post-apocalyptic drama Jericho. She is played by Siena Goines. The character was originally portrayed on the CBS Jericho website as a "mystery woman" who had a connection with Hawkins and also claimed to be a cop from St. Louis. Her identity is revealed on the show for the first time in the episode "The Day Before". According to the CBS website, Sarah was a former Department of Homeland Security Special Agent until November 14 2004, then she went off the grid on February 10, 2004, the same time she was recruited by the CIA.