Daniela Melchior dos Reis Lopes Pereira, known professionally as Daniela Melchior, is a Portuguese actress who has rapidly ascended from the telenovela scene in her home country to become a sought-after talent in major Hollywood blockbusters. Born on November 1, 1996, in Lisbon, Portugal, she began her acting career at a young age, landing a recurring role in the telenovela Mulheres in 2014. This early exposure led to her starring in the teen drama Massa Fresca in 2016, where she began to build a reputation for her compelling screen presence. Her breakthrough in Portuguese television came in 2017 when she was cast in a leading role in the award-winning telenovela Ouro Verde, a performance that solidified her status as a rising star in the industry.

Melchior continued to hone her craft with prominent roles in other popular Portuguese telenovelas, including A Herdeira (2018), Valor da Vida (2018), and Pecado (2021). She made her feature film debut in 2018 with The Black Book and, in the same year, provided the Portuguese dubbing for Gwen Stacy in the animated hit Spider-Man: Into the Spider-Verse. Her performance in the comedy drama Parque Mayer earned her a nomination for the Sophia Award for Best Actress, further demonstrating her versatility and critical acclaim within her native market.

Melchior’s international breakthrough arrived in 2021 when she was cast as Cleo Cazo, also known as Ratcatcher 2, in James Gunn's The Suicide Squad for the DCEU. Her portrayal of the timid yet resourceful young woman who forms a deep bond with her father’s rat-controlling abilities was widely praised by critics and audiences alike, earning her a nomination for Best Newcomer at the Portuguese Golden Globes. This role opened the door to a series of high-profile English-language films. She went on to appear in Marlowe (2022) alongside Liam Neeson, and in 2023, she had supporting roles in the action thriller Assassin Club, the Marvel blockbuster Guardians of the Galaxy Vol. 3 (reuniting with James Gunn), and the fast-paced franchise installment Fast X.

In 2024, Melchior continued her upward trajectory with a role in the action film Road House, a remake of the 1989 classic. She has also completed work on American Sweatshop (2025) and is set to star in the upcoming horror film Anaconda (2025). Her upcoming projects include the action comedy Balls Up (2024) and the highly anticipated sequel Violent Night 2 (2025). With a growing portfolio that spans from intimate Portuguese dramas to the largest global franchises, Daniela Melchior has firmly established herself as a versatile and compelling actress on the world stage.