'The Flash': 'Roswell's' William Sadler cast as Simon Stagg

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"The Flash" has cast William Sadler ( "Roswell") as possible villain Simon Stagg during the show's upcoming Season 1.

Sadler announced the news himself via his Twitter feed on Saturday (July 12). The character of Stagg is set to appear in episode 2 of "The Flash," but it is not clear yet if he is appearing only in that one episode or in several. 

Who is Stagg? The DC Comics character is a corrupt executive of some sort.









"The Flash" premieres Tuesday, Oct. 7 at 8 p.m. ET/PT on The CW.
Photo/Video credit: Getty Images, Twitter