Isabelle Adjani
Three films have received both accolades: "One Deadly Summer" in 1984 (Best Actress to Isabelle Adjani, Best Supporting Actress to Suzanne Flon), "Indochine" in 1993 (Best Actress to Catherine Deneuve, Best Supporting Actress to Dominique Blanc) and "Queen Margot" in 1995 (Best Actress to Isabelle Adjani, Best Supporting Actress to Virna Lisi).