Supergirl season 6

Main

 * Melissa Benoist as Kara Danvers / Kara Zor-El / Supergirl
 * Chyler Leigh as Alex Danvers
 * Jack Reynor As Tiberius "Ty" Queen / Shield
 * Katie McGrath as Lena Luthor
 * Jesse Rath as Qurel /Brainic 5
 * Nicole Maines as Nia Nal / Dreamer
 * David Harewood as J'onn J'onzz / Martian Manhunter
 * Azie Tesfai as Kelly Olsen
 * as Leo Luthor

Rerruing
 * Mehcad Brooks as James Olsen
 * as Lex Luthor

New
Leo Luthor - enter last episode of last season he is the long lost twin brother of Lena Luthor and the half brother of Lex Luthor