Katherine Barrell is a Canadian actress, writer, producer, and director. She is best known for her role as Sheriff Nicole Haught in the Syfy supernatural weird West television series Wynonna Earp. In 2020, she joined the cast of the fantasy comedy-drama television series Good Witch as Joy Harper.

Wynonna Earp is a Western horror television series. Developed by Emily Andras, the Canadian-American program is based on the comic book series by Beau Smith. Melanie Scrofano plays the titular character, the great-great-granddaughter of legendary lawman Wyatt Earp. In the series, Wynonna returns to her hometown of Purgatory, near the Canadian Rockies, where she battles revenants, the reincarnated outlaws that Wyatt killed.