David Meunier, who played the Russian Bratva member Ishmael Gregor on Arrow, has joined the cast of the upcoming Hulu series, Marvel's Helstrom in a recurring role.

According to Deadline, Meunier will star as Finn Miller, who is "a part of a secret organization that handles work not for the faint of heart."

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Along with his recurring role on Arrow, Meunier has also appeared on JustifiedThe BlacklistLucifer, Hawaii Five-O, NCIS: Los Angeles and The Alienist. Meunier's Gregor guest-starred on Arrow for seven episodes in Season 5.

The majority of the Helstrom cast was revealed in October, with Homeland's Elizabeth Marvel playing "the long-institutionalized Victoria Helstrom." Meanwhile, Tom Austen and Sydney Lemmon will play Victoria's children, Daimon and Ana Helstrom, with Ariana Guerra, Robert Wisdom, June Carryl and Alain Uy also joining the series.

Marvel's Helstorm will focus on Daimon and Ana Helstrom, the son and daughter of "a mysterious and powerful serial killer" who "track down the terrorizing worst of humanity." Daimon Hellstrom, long known as "the Son of Satan," was first introduced in 1973 in Ghost Rider #1, by Roy Thomas and Gary Friedrich.

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Marvel's Helstrom stars Tom Austen, Sydney Lemmon, Elizabeth Marvel, Ariana Guerra, Robert Wisdom, June Carryl and Alain Uy. The series is expected to debut on Hulu in 2020.