Heather Doerksen is a Canadian actress and voice actress known for her work in film, television, and animation. She was born on February 12, 1980, in Winnipeg, Manitoba. Initially studying science at Simon Fraser University, she later changed her academic path to pursue theatre and graduated with a Bachelor of Fine Arts degree. Following her graduation, she co-founded the Genus Theatre company in Vancouver with five peers, where she was involved in writing, directing, and performing in productions that integrated live theatre with film.

Doerksen has built an extensive career with numerous roles in both live-action and voice acting. In the realm of anime and animated series, she is recognized for her voice work in English dubs. A notable example is her role as Kiyomi Takada in the English adaptation of the Death Note series, including the feature Death Note Relight 2 - L's Successors. Her other anime voice credits include the series Nana, where she provided voices for the characters Ms. Sakagami and Nao.

Beyond these titles, a significant portion of her voice acting career has been in Western animation and Lego-branded productions. She has lent her voice to numerous projects, including the role of Skylor in the long-running series Ninjago. Her work also extends to various Marvel Comics adaptations, where she has voiced iconic characters such as Emma Frost, Psylocke, She-Hulk, and Betty Ross in series like Ultimate Wolverine vs. Hulk and Wolverine versus Sabretooth. Additionally, she has voiced characters in the Barbie film series, including Barbie & the Diamond Castle and The Barbie Diaries, as well as in Lego Star Wars: The Yoda Chronicles and Lego Star Wars: Droid Tales.

In the video game industry, Doerksen has contributed her voice to major titles, such as the Dead Rising series, where she voiced the character Amber Bailey.

Parallel to her voice acting, Doerksen has maintained a steady career in live-action television and film. She is known for her recurring roles in several acclaimed science fiction series, including appearances as Sergeant Brandy Harder in Battlestar Galactica, Captain Pat Meyers in Stargate: Atlantis, and Major Warner in Fringe. Her film credits include roles in major motion pictures such as Guillermo del Toro's Pacific Rim, where she played Lieutenant Sasha Kaidanovsky, as well as The Cabin in the Woods and The Uninvited. Her performance in the 2012 film Ambrosia earned her a Leo Award nomination.