She attended the University of Houston School of Theatre and Dance, where she has appeared in shows such as The Miser, Blood Wedding, Ring Round the Moon, and Zombie Prom: The Musical. She graduated with a BFA in acting in 2015.
In 2015, Kelly began voice acting with Sentai Filmworks while still attending the University of Houston. Her first lead role was Satone Shichimiya in the hit series Love, Chunibyo & Other Delusions -Heart Throb-. She had only been voice acting for four months when she landed the lead role of Mine in the action anime Akame ga Kill!, which would appear on [adult swim]'s famous anime block Toonami. Her talent became noted by directors from Dallas, which led her to land the role of Yamato in Kantai Collection, a dub produced by Funimation.
Kelly has appeared on stage at Unity Theatre and The Catastrophic Theatre in Houston, Texas.
List of roles voiced by Christina Kelly:
- Akame ga Kill! as Mine
- Black Bullet as Kisara Tendo
- Cross Ange Rondo of Angel and Dragon as Ersha
- Flying Witch as Akane Kowata
- Food Wars! Shokugeki no Soma as Alice Nakiri
- Girls und Panzer der Film and This is the Real Anzio Battle! OVA as Pepperoni
- Hamatora as Hajime
- Himouto! Umaru-chan as Sylphynford Tachibana
- Is It Wrong to Try to Pick Up Girls in a Dungeon? as Loki
- Kantai Collection as Yamato (first role with Funimation)
- Land of the Lustrous as Padparadscha
- Log Horizon as Kawara
- Love, Chunibyo & Other Delusions -Heart Throb- as Saotone Shichimiya (debut role)
- My Love Story!! as Kojima
- Nobunaga the Fool (TV) as Kitsuno
- Real Girl as Iroha Igarashi
- Release the Spyce as Fu Sagami
- Shoujo Kageki Revue Starlight as Claudine Saijo
- Tada Kun Wa Koi Wo Shinai as Cherry
- Utawarerumono: Mask of Deception as Atuy