Helstrom

Helstrom is an upcoming Hulu web series, set within the Marvel Cinematic Universe. It is created by Paul Zbyszewski, and is centred on the Marvel Comics characters, Daimon and Satana Hellstrom, siblings who have a complicated dynamic as they track down the terrorising worst of humanity, each with their attitude and skills."

Cast

 * Tom Austen as Daimon Helstrom: professor of ethics who moonlights as an exorcist, Daimon has no illusions about saving a world he has no patience for; he just hopes he can help a few of the people closest to him. In his battle against a hidden world, Daimon is determined to root out demons as they arise, and will not stop until they're vanquished.
 * Sydney Lemmon as Ana Helstrom: By day, Ana runs a successful auction house and suffers no fools, but her true interest lies in hunting down those who hurt others. Traumatised by her father as a child, Ana is driven to rid the world of those like him, even as she secretly worries her father will return.
 * Elizabeth Marvel as Victoria Helstrom: Plagued by demons both real and imagined, Victoria has been institutionalised for twenty years. While she struggles to be herself, she hopes to repair her relationship with her children.
 * Robert Wisdom as Caretaker: Caretaker is a guardian of knowledge of the occult. He uses his knowledge and his relationship with Ana to help keep demonic forces at bay.
 * June Carry as Dr. Louise Hastings: A psychologist with a strong faith but an open mind, Hastings is head of the psychiatric hospital where Victoria is being monitored. She has watched over the Helstrom family for years, caring for them as best she can.
 * Ariana Guerra as Gabriella Rosetti: A woman balancing logic and faith, Gabriella arrives from the Vatican to help Daimon and Hastings uncover cases of demonic possession. She wants to save everyone she can, including Daimon.
 * Alain Uy as Chris Yen: Yen is Ana's business partner and her closest friend -- some would say surrogate brother. He carries out the bulk of the auction house's responsibilities and assists Ana with whatever she needs.