Vittorio Guerrieri is an Italian actor and voice actor born in Rome on 23 December 1958, with a career spanning from the late 1960s to the present. He is widely recognized for his extensive work in dubbing foreign productions into Italian, serving as the official Italian voice for actors such as Ben Stiller, Steve Carell, and Owen Wilson in live-action films and television series.

In the realm of anime and animation, Guerrieri has lent his voice to a vast array of characters across numerous series and films. His notable roles include Kirakuni in Gear Fighter Dendoh, Kamina in both the Gurren Lagann television series and its film adaptations, including Gurren Lagann the Movie – The Lights in the Sky Are Stars, and Gateau Moka in Sorcerer Hunters [citation:2, citation:3, citation:7]. He also voiced Demogorgon in Shin Megami Tensei Devil Children, Honma in the initial episodes of The Kabocha Wine, Sky Byte in Transformers: Robots in Disguise, and Ido in the Battle Angel OAV [citation:5, citation:6, citation:7].

His extensive filmography further includes iconic roles such as Roy Fokker in The Super Dimension Fortress Macross, Shiro in New Attacker You, and Alan in the anime adaptation of Once Upon a Time. He has voiced Shigeru Aoba in various iterations of the Evangelion franchise and Mark Lenders (Kojiro Hiyuga) across multiple Captain Tsubasa series and films [citation:1, citation:7]. Other prominent credits include Grisha Jaeger in Attack on Titan, Aikuro Mikisugi in Kill La Kill, and Professor Palladium in the first four seasons of Winx Club [citation:1, citation:7]. Guerrieri's work also encompasses a significant tenure as the voice of Goemon Ishikawa in various Lupin III productions and roles in classics like UFO Robo Grendizer and Mobile Suit Gundam [citation:1, citation:7].

Beyond performance, Guerrieri has also contributed to the industry as a dubbing director. He is married to fellow voice actress Roberta Greganti.