Kirsten Williamson is a Canadian actress with credits in both live-action and animated productions. Born in 1969, she began her on-screen career in the mid-1990s, appearing in television series such as The Outer Limits and Da Vinci's Inquest. Her live-action filmography includes roles in major motion pictures like RV, where she played Tammy, The Last Mimzy as Sheila Boardman, and Juno, in which she appeared as a nurse. She has also had guest roles in popular television series, including Smallville and Supernatural.

In the realm of voice acting, Williamson is best known for her work in animated series. Her most prominent voice role was providing the voice of Ororo Munroe, also known as Storm, in the acclaimed animated series X-Men: Evolution, a role she performed from 2000 to 2003. In addition to this prominent role, Williamson has contributed her voice to anime productions. Specifically, she voiced the character Defiant D in the English language version of the original video animation series Meltylancer: The Animation. This credits her with a direct role within the anime industry.