NBC's The Blacklist is one of the network's biggest shows, but what is it about the twisted crime drama that keeps drawing in over 17 million viewers each week?
ET Canada caught up with the star of The Blacklist, James Spader, who revealed what he thought was the show's big draw.
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"As soon as you answer a question on the show, the answer, you realize… that answer poses more questions," said Spader, 54.
Check out the video for more from the stars of The Blacklist, and hear from some of the cast of Mad Men about the difficulty of saying goodbye to their characters as they go into the AMC program's final season.