Mariano Chiesa is an Argentine voice actor, dubbing director, and announcer born in Buenos Aires on May 19, 1981. He began his professional career in entertainment in 2001, working extensively in voice-over for commercials, dubbing for animated films and series, and theatrical productions.

In the realm of animated films, Chiesa is recognized for providing the voice for the character Muta in the Latin American Spanish dub of the Studio Ghibli film The Cat Returns, a role that matches the user's specific example. His other prominent film voice roles include the title character in Gaturro: la película, Commander Permanencio Fugaz in El Ratón Pérez, and Leandro Maldonado in Isidoro: La película. He also voiced Baby Bear in the Latin American Spanish dub of Puss in Boots: The Last Wish.

On television, his voice work includes the role of Xander Bly, the Green Ranger, in the Latin American Spanish dub of Power Rangers Mystic Force. He has also voiced characters in a range of animated series such as Artha Penn in Dragon Booster, D'Jok in Galactik Football, and the Agente Trigger in Gravity Falls. His work extends to serving as the institutional voice for several Latin American television channels, including Sony Channel and MuchMusic.

Beyond voice acting for characters, Chiesa has a significant career in theater, both as an actor and producer. He was a producer and performer in the Argentine production of the Broadway musical Avenue Q, where he also played the roles of Princeton and Rod. He also performed the lead role of Joe Gillis in a production of Sunset Boulevard alongside Valeria Lynch. In recognition of his theatrical work, he received the Premio Konex award in the Musical Male Interpreter category in 2021.

Chiesa has also worked as a dubbing director and as a mentor and speaker in the field of voice acting and communication, conducting seminars and master classes. He is based in Miami, Florida, where he continues to work as a voice actor for international brands and entertainment properties.