Britt McKillip is a Canadian voice actress born on January 18, 1991. She has been active in the entertainment industry since the late 1990s, building a career that spans both voice work for animation and live-action roles. In addition to acting, she is also a musician who has performed as part of the country music duo One More Girl.

McKillip has an extensive list of voice acting credits across numerous animated series and films. Among her most recognized roles is Princess Cadance in the long-running series My Little Pony: Friendship Is Magic, a part she played from 2012 to 2019. She also voiced Princess Harumi in LEGO Ninjago: Masters of Spinjitzu and Blueberry Muffin in Strawberry Shortcake's Berry Bitty Adventures. Her early career included providing the voice for Baby Lola in Baby Looney Tunes and Sabrina Spellman in Sabrina: Friends Forever and Sabrina's Secret Life. Her film work includes numerous direct-to-video Barbie titles, the Bratz film series, and the live-action horror film Trick 'r Treat.

In the realm of anime, McKillip has contributed to English-language dubs produced in Canada. A notable example of her anime voice work is the role of Oran Ontan Nakagawa in the 2024 series Dead Dead Demon's Dededede Destruction, which was based on the manga by Inio Asano. This production, featuring an English dub by Ocean Productions, also included other actors she has frequently worked with, such as Elyse Maloway and Michelle Creber.

Throughout her career, McKillip has collaborated with a number of other voice actors and production teams based in Vancouver. She has worked alongside actors including Ashleigh Ball, Andrea Libman, and Tabitha St. Germain on projects like My Little Pony. Her work on the English dub of Dead Dead Demon's Dededede Destruction reunited her with director Terry Klassen, a prolific figure in Vancouver voice direction, and involved a cast of regulars from the Ocean Productions talent pool.

McKillip has received recognition for her voice performances. In 2013, she won the Behind the Voice Actors People's Choice Voice Acting Award for Best Female Vocal Performance in a Television Series in a Guest Role for her portrayal of Princess Cadance in My Little Pony: Friendship Is Magic. The following year, she was part of the ensemble cast that won the BTVA People's Choice Voice Acting Award for Best Vocal Ensemble for the film My Little Pony: Equestria Girls.