Popsugar Entertainment Chilling Adventures Of Sabrina The Chilling Adventures of Sabrina Cast We Already Know 2 People Who Will Be on The Chilling Adventures of Sabrina 10 February 2018 by Kelsie Gibson Image Source: Getty / Rich Fury Casting for The Chilling Adventures of Sabrina is officially underway! After announcing that Kiernan Shipka will star as the infamous teenage witch last month, Netflix has revealed who will play her best friend on the upcoming series. Let's just say she already has experience dealing with the supernatural, and we anticipate there will be even more additions to the cast in the near future. Both Harvey Kinkle and Sabrina's cat Salem are set to appear on the series! See who is already signed up for the show ahead. 1 Jaz Sinclair Image Source: Getty / David Livingston Sinclair will play Sabrina's best friend, Rosalind Walker, on the series. The actress definitely has experience with supernatural dramas. She had a guest-starring role as Beatrice Bennett, one of Bonnie's witch ancestors, on the final season of The Vampire Diaries. 1 / 3 2 Kiernan Shipka Image Source: Getty / Rich Fury The 18-year-old actress, who is best known for her role as Sally Draper on Mad Men, will star as the title character of Sabrina Spellman. 2 / 3 Ladies and gentlemen, meet #Greendale’s latest resident. All hail, Salem! #sabrina, #netflix pic.twitter.com/XZ1dNPgvja— RobertoAguirreSacasa (@WriterRAS) February 9, 2018 3 / 3 Chilling Adventures Of SabrinaTVKiernan Shipka