Complex sentence: She enjoyed her first taste of international box office success in the mid- 1990s but is still an actress mostly unknown outside of her native France, even though she has acted alongside such stars as Gwyneth Paltrow and Alice Evans.
Split into simpler sentences: She enjoyed her first taste of international box office success in the mid- 1990s but is still an actress mostly unknown outside of her native France. She has acted alongside such stars as Gwyneth Paltrow and Alice Evans.