Season 5 (Supergirl)

​​​​​​ was renewed for a fifth season by The CW on January 31, 2019. It will premiere on October 6, 2019 and consist of 22 episodes.

Main cast

 * Melissa Benoist as Kara Danvers/Supergirl
 * Mehcad Brooks as James Olsen/Guardian
 * Chyler Leigh as Alex Danvers
 * Katie McGrath as Lena Luthor
 * Jesse Rath as Querl Dox/Brainiac 5
 * Nicole Maines as Nia Nal/Dreamer
 * Andrea Brooks as Eve Teschmacher
 * Julie Gonzalo as Andrea Rojas/Acrata
 * Staz Nair as William Dey
 * Azie Tesfai as Kelly Olsen
 * David Harewood as J'onn J'onzz/Martian Manhunter

Recurring cast

 * Jeremy Jordan as Winn Schott
 * Meaghan Rath as Brainiac 5
 * Jennifer Cheon Garcia as Midnight
 * LaMonica Garrett as Mar Novu/The Monitor and the Anti-Monitor

Confirmed plot points

 * Melissa Benoist will make her directional debut in the 17th episode. In addition, David Harewood will direct the 11th episode.
 * Jesse Rath's sister, Meaghan Rath, will appear as a female Brainiac 5.
 * This season is going to be about how technology affects us.
 * Lex Luthor is coming back.
 * Mehcad Brooks will depart near the end of the first half of the season.
 * Supergirl will get a new suit this season.
 * Kara will have a hard time trying to repair her friendship with Lena; after Lex revealed to her that Kara is Supergirl and that she has been lying to her from the beginning.

Confirmed characters

 * Midnight: A murderous villain released from an otherwordly prison to enact revenge against the person who put her there.
 * Andrea Rojas/Acrata: A polished businesswoman and heir to a Central American tech empire, Andrea Rojas is now making a hostile advance into the world of media. Unapologetic and unafraid to make waves, she also holds a mystical secret.
 * William Dey: On the surface, he is a cynic and a sellout who looks down on Kara's earnest idealism. Dey's not interested in making friends, he just wants to get the story - but his ties to the criminal underworld could prove problematic.
 * Anti-Monitor: