Cast Credits The Magicians (2015) Guest starring as Samuel Episode 2x06: The Cock Barrens (Mar 1, 2017) [Co-Star] The Man in the High Castle (2015) Guest starring as Samuel Episode 3x05: The New Colossus (Oct 5, 2018) [Co-Star] Supernatural (2005) Guest starring as H. H. Holmes Episode 2x06: No Exit (Nov 2, 2006) [Co-Star]