1. Abigail Williams: Abigail is a young woman who serves as the play's antagonist. During a dance in the woods where the girls participated, she was discovered practicing voodoo with Tituba. She accuses many innocent people of witchcraft to deflect attention from her own actions and to establish authority over the community.
2. Tituba: Tituba is an elderly slave from Barbados. She is the first to confess to witchcraft and becomes a pivotal figure in the escalating witch trials. Her confession sparks a wave of accusations against others and fuels the hysteria surrounding witchcraft in the town.
3. Mary Warren: Mary Warren is a young servant in John Proctor's household. She is initially involved in the accusations against others but experiences internal conflict as the situation escalates. Mary eventually admits to falsely accusing others and tries to expose the false nature of the trials, but her testimony is ultimately disregarded by the court.