Her breakthrough role in Krzysztof Kieślowski's film The Double Life of Véronique earned her the Best Actress Award at the Cannes Film Festival. This performance brought her international recognition and established her as a major talent.
Jacob solidified her international status with her critically acclaimed performance in Krzysztof Kieślowski's Three Colors: Red. This film, the final installment in theThree Colors" trilogy, became one of the most celebrated films of the decade and a cornerstone of her career.