10PM | NBC — The Blacklist In the second hour of The Blacklist’s two-episode event, Red (James Spader) won’t be the star—and neither will Liz (Megan Boone). Instead, the drama will target Liz’s mother, the enigmatic Katarina Rostova (guest star Lotte Verbeek), and her turbulent spy history in what EP Jon Bokenkamp calls “essentially a 45-minute independent film that dives deep into the mythology.” “It’s a departure for us,” he explains.