Carl Lumbly, who played J’Onn J’Onzz on the iconic Justice League animated series, will be playing another Martian in Supergirl Season 3.
The news was announced today at the Comic-Con International in San Diego.
Here’s how his character is described as well as who he will be playing:
Carl Lumbly (Alias, Southland, The Cure for Wellness) embodies the classic DC character M’yrnn J’onzz, the father of J’onn J’onnz, the Martian Manhunter (David Harewood). A pacifist religious leader on Mars, M’yrn pushes his son in unexpected ways.
You can read more casting announcements about Supergirl Season 3 here.

