DC Universe's Stargirl has cast Heathers actor Cameron Gellman as a series regular, playing an undisclosed DC comics character.

Gellman, who counts among his credits The Fosters and The Middle, joins a loaded cast that already includes Brec Bassinger as Courtney Whitmore/Stargirl, Jake Austin Walker (Fear the Walking Dead), actor/comedian Joel McHale (The Soup, Community), Luke Wilson as Courtney's stepfather Pat Dugan, aka S.T.R.I.P.E., and Meg DeLacy as the villainous Cindy Burman.

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Gellman previously appeared with Captain Marvel star Annette Bening and Elle Fanning in the 2016 film 20th Century Women. 

The fourth planned original live-action series from the DC Universe streaming service, Stargirl centers on the teen superhero introduced in 1999 by Geoff Johns and Lee Moder. Produced by Greg Berlanti, Johns' Mad Ghost Productions and Warner Bros. Television, the 13-episode first season will follow Courtney Whitmore, a Blue Valley High School student who "inspires an unlikely group of young heroes to stop the villains of the past."

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Stargirl will premiere later this year on DC Universe, joining such original series as Titans, Young Justice: Outsiders, Doom Patrol and Swamp Thing.

(via Deadline)