Fabio Tassone is a voice actor known for his work in animated series and video games, with credits including the role of Arn in the Netflix animated series Castlevania. Arn is a minor character and a member of the Speakers, a group of nomadic storytellers traveling through the city of Gresit in the show's first season. Tassone provided the character's voice in the English version of the series.

Originally from Málaga in the south of Spain, Tassone comes from a multicultural family with an Italian father and a mother who is half Spanish and half French. He attended an English school from a young age and became fluent in four languages: English, Spanish, French, and Italian. He earned a bachelor's degree in law from the University of Kent in Canterbury before pursuing formal acting training at the Bristol Old Vic Theatre School in the United Kingdom.

Tassone began his voiceover career after moving to London, where he recorded a demonstration reel in all four languages he speaks. His multilingual abilities helped him find a niche in the voiceover market, leading to representation by multiple agencies specializing in foreign language voice work. His first major voice job in the United States was voicing the character Pitch, originally portrayed by Jude Law in the film, for the video game adaptation Rise of the Guardians. Additional video game credits include providing additional voices for Uncharted 4: A Thief's End and voicing the narrator for the Spanish dub of Mario & Sonic at the Rio 2016 Olympic Games. He also voiced the character Lucan in Game of Thrones: A Telltale Games Series.

Beyond his work in Castlevania, Tassone's animation voice credits include roles in several television series. He voiced Chef Pierre in Fancy Nancy, appearing in three episodes between 2020 and 2022, and provided the voice of Grape Dad in the series Backyardigans. He also voiced the character The Real The Giovanni in an episode of Tangled: The Series. Tassone contributed additional voice work to the first season of Castlevania. Outside of voice acting, Tassone has appeared on screen as the Duke of Nájera in the historical drama series The Tudors and as a French newscaster in the film Skyscraper.