Soap star Crystal Hunt has been hit with FELONY assault with a deadly weapon ... for allegedly smashing a glass into another woman's face during a bar brawl ... TMZ has learned.
The L.A. County D.A. filed the charge ... claiming the bar glass is a deadly weapon.
TMZ broke the story ... Hunt was arrested Dec. 13 after a violent confrontation with a woman at Pearl's Liquor Bar in West Hollywood. Cops say she threw a pint glass at the woman's face. The alleged victim was injured and required medical attention.
Hunt -- who played Stacy Morasco on "One Life to Live" -- claimed the woman had been harassing her ... and she acted in self-defense.
If convicted, Hunt faces up to 4 years in prison.
5:23 PM PT -- Hunt's attorney tells TMZ, the alleged victim was WASTED and actually instigated the fight herself. The lawyer says Hunt meant to throw her water at the woman, but the glass accidentally slipped out of her hand.