Lynch isn't the only actor that the new series has added recently — it seems like every day a new person is added to the cast. The previously announced cast includes Michelle Gomez, who will portray Mary Wardell, Sabrina's favorite teacher who just so happens to get possessed by the devil. Jaz Sinclair will portray Sabrina's BFF Rosalind Walker , the daughter of the local minister. Chance Perdomo will portray Sabrina's cousin, Ambrose Spellman, while Miranda Otto has snagged the role of Zelda Spellman, Sabrina's aunt.