Adam B. Vary Senior Entertainment Writer “Superman: Legacy” writer-director James Gunn is expanding the new DC universe with three new actors joining the cast: Nathan Fillion (“Guardians of the Galaxy Vol.
3”) will play Guy Gardner, one of the figures known as Green Lantern; Isabela Merced (“Dora and the Lost City of Gold”) will play Hawkgirl; and Edi Gathegi (“X-Men: First Class”) will play Mister Terrific.
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