Los Angeles, Feb. 15 -- Acclaimed actress Leslie Grossman, celebrated for her roles in 'American Horror Story' and 'Love, Victor', has been confirmed as a recurring cast member for the fifth and final season of Starz's hit series 'Power Book III: Raising Kanan'.

She will play Florence 'Flossie' Siegel, Manhattan's most prominent madam, whose glamorous exterior masks a sharp, strategic mind shaped by her mobster heritage, according to DEADLINE.

Power Book III: Raising Kanan explores the early life of everyone's favorite Power villain Kanan Stark (Mekai Curtis), originally played by Curtis '50 Cent' Jackson in the flagship series, and shows his evolution from a naive teenager to a cutthroat villain. Season 4 saw an epic showdown between Kan...