Guest Stars Michael Kelly as Mark Snow Ken Leung as Leon Tao Geneva Carr as Liz Picket Sharon Leal as Dr. Madeleine Enright Julian Sands as Alistair Wesley Erica Leerhsen as Amy Bryce Pinkham as Leland Rains Geoffrey Cantor as Sebastian Alta Co Starring Aaron Isaacs as Beat Cop Lohrasp Kansara as Gang Member Gilbert Cruz as Security Manager Sam Freed as Oliver Veldt Mia Ellis as ER Nurse Nick Stevenson as Park Uni Uncredited Annie Parisse as Kara Stanton