Supergirl Season 3 Episode 13
Both Sides Now
The DEO captures a second Worldkiller, Purity. Supergirl and Alex use very different methods of interrogation with Purity in the hopes of finding out how to defeat Reign. However, Purity escapes and attacks the city’s subway tunnels. Meanwhile, J’onn, Winn and Mon-El band together to fix the Legion ship.
Guest Stars
Herbert Duncanson
Male Passenger
Andrew Nadanyi
DEO Agent
Krys Marshall
Julia Freeman / Purity
Emma Tremblay
Ruby Arias
Amy Jackson
Imra Ardeen