Guest Stars Andrew Gillies as Dr. Julian Adler Kirk Acevedo as José Ramse Alisen Down as Olivia Kirschner Julian Richings as Adviser to the Witness Co Starring Murray Furrow as Dr. Lasky Brooke Williams as Hannah Jones Peter DaCunha as Samuel Ramse Romina D'Ugo as Max James Callis as Athan / The Witness Isys Alexis as Daughter Isys Michael Rhoades as Arlen Wills