Sam Witwer Joins The Cast Of Supergirl

Smallville and Star Wars alum Sam Witwer is set to join Supergirl next season. Witwer will portray Agent Liberty in series 4th season. Witwer portrayed Doomsday on Smallville.

Entertainment Weekly exclusively revealed the news, confirming that Witwer will join the cast as a series regular. According to the character breakdown, this version of Agent Liberty will prove to be an antagonist. The article describes him as being “the ruthless and terrifying founder and figurehead of Children of Liberty, a hate group that supports a human-first world order.”

This casting comes as the latest shakeup for the series, following the departure of series regulars Jeremy Jordan and Chris Wood, who played Winn and Mon-El respectively.

Returning to The CW this fall, Supergirl stars Melissa Benoist as the Girl of Steel, David Harewood as Martian Manhunter, Mehcad Brooks as Jimmy Olsen, Chyler Leigh as Alex Danvers with appearances by Calista Flockhart as Cat Grant and Tyler Hoechlin as Superman.