Supergirl has cast actors for Hank Henshaw, aka Cyborg Superman in the DC Comics, and Alex Danvers.
Homeland star David Harewood will play Henshaw, with Chyler Leigh (Grey’s Anatomy) playing the foster-sister to Supergirl.
Andrew Kreisberg has also signed on to executive produce Supergirl; Kreisberg EP’s Arrow and The Flash as well.
While Henshaw is typically white in the comics, in the Smallville tie-in comic book, Henshaw is of African-American descent.
Supergirl has also a black actor for the role of Jimmy Olsen with Mehcad Brooks.
The CBS Supergirl series is also set to star Melissa Benoist as Supergirl, Laura Benanti as Alura Zor-El and Calista Flockhart as Cat Grant.