Melissa Benoist as Overgirl: An alternate supervillain version of Supergirl of Earth-38 who is a member of the New Reichsmen on Earth-X. Benoist reprises her role from "Crisis on Earth-X".
This wasn't even the first time the character was used, CoXE came out before this animation using several of the same actors for repeat appearances.
This wasn't even the first time the character was used, CoXE came out before this animation using several of the same actors for repeat appearances.
You're referring to live-action, rofl. It ties into the 'Arrowverse'. Who knew.