Special Guest Stars Wentworth Miller as Len Snart / Captain Cold Neal McDonough as Damien Darhk John Barrowman as Malcolm Merlyn Guest Stars Jack Turner as J. R. R. Tolkien Co Starring Chris Cope as Junior Officer Andrea Ware as Volunteer Michael Robinson as Commanding Officer Brian Knox McGugan as German Commanding Officer Hans Potter as German Soldier Derek Wallis as Injured Soldier
