Guest Stars Riley B. Smith as Ralph Dineen Camille Guaty as Megan O'Brien Emily Robinson as Young Peg Erick Avari as Robert Richter Joel Gretsch as Governor Paul Lane Michael J. Silver as Guard Mayo Co Starring Daniel Zolghadri as Young Walter Diahnna Nicole Baxter as Therapist Hal Devi as Man Doc Farrow as Guard Rivas Ruby Roth as Sara Andy T. Tran as Jonah Rajan Velu as Kiosk Operator Kate Butler as Mother Brian Glanney as Doctor Silvia McClure as Nun Emma Fassler as Richter's Assistant Bryan Krasner as Jed Hausler Stuart McLean as Mr. Creevy