According to Deadline, Jesse Rath, who plays Brainiac-5, has been upped to series regular for Supergirl’s Season 4 roster.
“We love the character of Brainiac-5 and can’t imagine anyone but Jesse Rath in the role,” said executive producers Robert Rovner and Jessica Queller.
Unbeknownst to Mon-El, Brainy and Mon-El’s wife Imra (Amy Jackson) were on a secret mission to stop one of the World Killers Kara went up against this season.
Supergirl is getting some brain-power in Season 4!