Misha Collins as Harvey Dent, an old friend of Bruce Wayne and Gotham City's district attorney.

Rahart Adams as Brody March, the son of Lincoln March and a fellow student at Gotham Academy.

She allies with Turner to help find the true culprits of Batman's murder.

Anna Lore as Stephanie Brown, a student at Gotham Academy, Turner's best friend, and an expert coder.Tyler DiChiara as Cullen Row, Harper's brother who is among those framed for Bruce Wayne's murder.Fallon Smythe as Harper Row, a young streetwise engineer and Cullen's sister who is among those framed for Bruce Wayne's murder.Navia Robinson as Carrie Kelley / Robin, a student at Gotham Academy and the current sidekick of Batman who allies with Turner to find the true culprits of Batman's murder.Olivia Rose Keegan as Duela, the daughter of the late Joker who is among those framed for Bruce Wayne's murder.Turner Hayes is an original character for the series and does not come from the comics.

Oscar Morgan as Turner Hayes, Bruce Wayne's adoptive son and a student at Gotham Academy who is alleged to have hired the three people framed for killing Bruce.Over time, they evolve into becoming Gotham's new protectors known as the 'Gotham Knights'. The mystery of who framed them soon leads to the Court of Owls. The four youths attempt to clear their names and find out who really killed Bruce Wayne, with help from Turner's friend Stephanie Brown and Turner's classmate Carrie Kelley, who secretly operates as Robin. In the wake of Bruce Wayne's death, his adopted son Turner Hayes forges an unlikely alliance with runaways Harper and Cullen Row, and the criminal Duela, when they are all framed for the murder and publicly accused of committing it by the Gotham City Police Department and District Attorney Harvey Dent. It centers on members of the Batman family and other DC Comics supporting characters. Gotham Knights is an American superhero television series developed by Natalie Abrams, Chad Fiveash, and James Stoteraux for The CW.

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