Robert Knepper, well-known for his run as Prison Break‘s T-Bag has been cast as DC Comics master criminal William Tockman aka “Clock King.”
The Clock King is described to have earned his nickname by being a brilliant criminal who plans his crimes with the utmost precision, down to the second.
Knepper’s will first appear in Episode 14 "Time Of Death" which is also the episode where Alex Kingston returns as Laurel's mother Dinah.
Top casting? Or did you have someone else in mind?