Renata Bertolas is an Italian voice actress and dubbing director, born in Verona on July 3, 1962. A trained pianist and a singer of jazz and bossanova, she began her career in voice acting in 1988 after participating in various radio dramas for RAI. She is highly active in the dubbing industry, working primarily out of Milan, and is also a sought-after dubbing director for a wide range of productions, including reality television, animated series, and films such as Cobra Kai, Spy × Family, and Made in Abyss.

Bertolas is best known for voicing the title character in the anime series Cardcaptor Sakura, a role that established her as a prominent figure in Italian dubbing for animation. She has also voiced Clare in Claymore and the titular character Mirmo in Mirmo Zibang!. Her extensive career encompasses leading roles in many other popular series. She is the voice of Dekisugi in the Doraemon franchise, Haos Tigrerra in Bakugan Battle Brawlers and its sequel New Vestroia, and Officer Jenny in the Pocket Monsters: Diamond & Pearl series and other Pokémon seasons.

Her film work includes providing the voice of Ursula Callistis in the Little Witch Academia films and Dekisugi in Stand By Me Doraemon. In the world of video games, she is a prolific voice artist, known for roles such as Nina Cortex in several Crash Bandicoot titles, Mad Moxxi in the Borderlands series, and Anya Stroud in Gears of War.

Beyond these signature roles, Bertolas has an extensive filmography that demonstrates her versatility across genres. She has voiced characters like Manami Suda in Jujutsu Kaisen 0, Aira in Mazinkaiser SKL, Nuriko in Fushigi Yugi, Bianca in Dragon Knight: Wheel of Time, Lania in the Saint Seiya: The Hades Chapter features, Maria in Vexille - 2077 Isolation of Japan, Miki Jonouchi across multiple Future GPX Cyber Formula series, Anna Kazami in Nurse Angel Ririka SOS, the singing voice of Rossana in Kodocha, Corte in Lost Song, and Nami Hayase in New Attacker You!.

A recurring and notable aspect of Bertolas's work is her contribution as a singing voice. She has frequently been cast as the singing replacement for other actresses and has performed theme songs for series such as Cardcaptor Sakura, Corrector Yui, and Pokémon. This skill is also highlighted in her later career, where she has provided the singing voices for characters like Rainbow Dash in the Italian version of My Little Pony: Friendship Is Magic. In addition to her performance work, she has taken on significant responsibilities as a dubbing director, overseeing the Italian adaptations for numerous recent and popular series.