Kari Wahlgren is an American voice actress who has provided English-language roles for animated movies, TV series, and video games. She got her start in anime voice-overs as Haruko Haruhara in 'FLCL', and would later land major roles in a number of shows and films: Saya Otonashi in 'Blood+', Robin Sena in 'Witch Hunter Robin', Lavie Head in 'Last Exile', Fuu in 'Samurai Champloo', Rip van Winkle in 'Hellsing', Scarlett in 'Steamboy', Pacifica Casull in the 'Scrapped Princess', Michiru Satomi and Luca in 'Immortal Grand Prix', Kagami Hiiragi in 'Lucky Star', Saber in 'Fate/Zero', 'Fate/stay night: Unlimited Blade Works' and 'Fate/stay night: Heaven's Feel', and Celty Sturluson in the 'Durarara!!' series.

In American animation, she has provided voices for a number of series including 'Super Robot Monkey Team Hyperforce Go!', 'Gravity Falls', 'Fish Hooks', voicing Little Suzy in 'Phineas and Ferb', Dorothy and Queen Ozma in 'Dorothy and the Wizard of Oz', 'Ben 10', 'Kung Fu Panda: Legends of Awesomeness', 'Kaijudo: Rise of the Duel Masters', 'Bunnicula', 'The Fairly OddParents', 'Bunsen Is a Beast', and the Nickelodeon versions of 'Winx Club' and 'Teenage Mutant Ninja Turtles', Jessica and Diane in 'Rick and Morty', and Baby Scrat in the Disney+ miniseries 'Ice Age: Scrat Tales', produced by Blue Sky Studios. Since 2023, she has voiced several roles in the children's series 'SuperKitties', for which she received a Children's and Family Emmy Award for Outstanding Voice Performer in a Preschool Animated Program.

In video games, she voiced lead characters Ashe in 'Final Fantasy XII', Shelke in 'Dirge of Cerberus: Final Fantasy VII', Kitana and Mileena in the 'Mortal Kombat' series (beginning with 'Mortal Kombat 11'), and Raine Sage in 'Tales of Symphonia'.