Cassiano Ávila is a Brazilian voice actor based in São Paulo with over nine years of professional experience in the dubbing industry. He is the official Brazilian Portuguese voice for a wide array of characters in anime, video games, and live-action productions. His work is frequently heard in major international franchises, where he lends his voice to both leading and supporting roles.

Ávila has built an extensive portfolio in anime dubbing, providing voices for numerous series and films. He is known for his versatility, often voicing powerful or authoritative figures. Some of his most prominent anime roles include Master in Akudama Drive, Charon in Fire Force, Kaioh Son in the Baki series, and Nimzo in Dragon Quest Your Story. He also voices the towering and aggressive Rak Wraithraiser in Tower of God and Nagamasa Mora in My Hero Academia. His film work includes the character Manpuku in the movie Air Bound.

Beyond the roles listed by the user, Ávila's career features a significant number of other credits, demonstrating his range within the industry. He is the voice of Ging Freecss in Hunter x Hunter, Keith Shadis in several iterations of Attack on Titan, and Klaus Von Reinhertz in Blood Blockade Battlefront. He has also taken on roles in long-running series such as One Piece, where he voices multiple characters, and in JoJo's Bizarre Adventure as Santana. His work extends to popular franchises like Demon Slayer, Dragon Ball Super, and Naruto Shippūden.

In addition to his anime work, Ávila is a prolific voice actor in video games and live-action dubbing. He is the Brazilian voice of Jin Sakai in Ghost of Tsushima and Kotallo in Horizon Forbidden West. His live-action dubbing credits include voicing characters portrayed by actors such as Dolph Lundgren and Jon Bernthal, as well as the role of Jacques Duquesne in the series Hawkeye. He also works in advertising voiceover for major Brazilian clients like Unimed do Brasil and Mizuno.