Supergirl Season 5 has cast two ancient alien characters... 1 / 8
Gamemnae... 2 / 8
and Rama Khan. 3 / 8
Gamemnae will be played by Stranger Things' Cara Buono 4 / 8
Meanwhile Rama Khan will be played by X-Files alum Mitch Pileggi. 5 / 8
In the comics, Gamemnae and Ram Khan are the leaders of the League of Ancients. 6 / 8
Their quest to save the world from humanity puts them at odds with Supergirl. 7 / 8
Supergirl returns to The CW on Oct. 6 8 / 8