Gustavo Ciardullo is an Argentine dubbing actor and announcer known for his work in the Spanish-language adaptations of various films and animated series. He is a graduate of the COSAL, the Argentine dubbing school, where he was a classmate of fellow dubbing actors Mariela Álvarez, Diego Brizzi, and Alejandro Outeyral.

Ciardullo's voice work in animation includes the role of Maro in the film Legend of the Millennium Dragon. He also provided an alternate dubbing voice for the character Nappa in the film Dragon Ball Super: Broly. While his role as Ratzass in Starship Troopers: Traitor of Mars is noted, his broader career encompasses a significant amount of dubbing for live-action film and television.

In addition to animation, his extensive filmography features dubbing for a wide array of characters in live-action productions. Examples include Richie Lanz for Bill Murray in Rock the Kasbah, Tom Pyro Roberts for Max Martini in Sabotage, and Daniel Niles for Walton Goggins in Straw Dogs. His television dubbing work includes providing the second voice for the character Harold Cooper on the series The Blacklist and voicing Barack Obama in the reality show Shark Tank. This range of roles in both animated and live-action projects demonstrates his versatility as a voice actor.