Cast Credits The Librarians (2014) Guest starring as Doctor Episode 4x12: And the Echoes of Memory (Feb 7, 2018) [Co-Star] Z Nation (2014) Guest starring as Rollie Episode 2x07: Down the Mississippi (Oct 23, 2015) [Co-Star] Grimm (2011) Guest starring as Grant Hoschen Episode 2x11: To Protect and Serve Man (Nov 9, 2012) [Co-Star] Guest starring as George Ksataros Episode 4x07: The Grimm Who Stole Christmas (Dec 5, 2014) [Co-Star]