Marta Filippi is an Italian voice actress, comedian, and actress, born in Rome on November 30, 1993. Before pursuing a career in entertainment, she studied archaeology at the Sapienza University of Rome, where she graduated in 2017. During her university years, she developed an interest in theater and acting, training at the Teatro Azione school in Rome. This was followed by specialized study in dubbing at the Accademia di doppiaggio di Roma, where she was a student of Christian Iansante and Roberto Pedicini.

Filippi's professional career as a voice actress began in 2018 with her first major role, dubbing the protagonist Sabrina Spellman in the Netflix series The Chilling Adventures of Sabrina. This breakthrough led to numerous other dubbing opportunities, particularly for streaming platforms. Her voice work spans live-action series, films, and animation. In anime and animated series, one of her notable roles is Erimi Mushibami in the Italian-language version of Kakegurui. Her other significant animation dubbing credits include Willow Park in The Owl House, Betty Ross in the Marvel series What If...?, Lee Joohee in Solo Leveling, and the character of Envy in the Pixar film Inside Out 2.

In addition to animation, Filippi has provided the Italian voice for characters in a wide range of live-action productions. She is the primary Italian voice for actress Kiernan Shipka, dubbing her in both The Chilling Adventures of Sabrina and Riverdale. Other prominent dubbing credits include voicing Simone Ashley's character in Sex Education, Lucy MacLean in the series Fallout, and characters in major films such as Barbie and Wonka. Her work demonstrates recurring collaborations with major studios and platforms like Netflix, Disney+, and Prime Video on their Italian dubbing projects.

Alongside her voice work, Filippi has gained public recognition as a comedian and television personality. She created a popular Instagram profile, lacasadimarta, where she performs comedic sketches featuring original characters. This online success led to television appearances, including the programs Bar Stella and Stasera tutto è possibile on Rai 2, and as a contestant on the third season of the comedy competition LOL - Chi ride è fuori on Prime Video. She has also appeared as an on-screen actress in films such as Generazione NEET and Maschile plurale.