Mullally (Will & Grace, Party Down, Children’s Hospital) will play Alecto, a.k.a. Mrs. Dodds. “Mrs. Dodds is Percy’s strict, irascible math teacher who may act monstrous at times, because she is. She’s one of the three Furies, known as Alecto, who loyally serves Hades, the god of the underworld.”
Mantzoukas (Brooklyn Nine-Nine, The League, The Good Place) will play Dionysus, a.k.a. Mr. D. “The irritable and sarcastic Mr. D runs Camp Half Blood, a camp for the demigods.”
Kull (Super Pumped, NOS4A2, Big Little Lies) will appear as Sally Jackson, “Percy’s loving, protective and selfless mother. Sally raised her son knowing that one day she’ll have to give him up to the dangerous world of the Olympian gods.”
Turman (The Wire, Ma Rainey’s Black Bottom) will play Chiron, a.k.a Mr. Brunner. “Disguised as Percy’s Latin teacher Mr. Brunner, Chiron is the famed centaur and trainer of heroes who provides Percy with moral guidance when needed.”
Sharp (Enlightened, Blunt Talk) will play Gabe Ugliano, “Sally’s selfish, brash, and combative husband as well as Percy’s stepfather.”
Percy Jackson and the Olympians is set to hit Disney+ in 2023.
Source : https://geektyrant.com/news/disneys-percy-jackson-and-the-olympians-adds-five-new-actors-to-the-cast