Katherine Barrell

Actor (Stella Grimes) — Discovery

Canadian actor, known as Nicole Haught in Wynonna Earp, who played Stella, the jilted fiancée of Harry Mudd, in the first season of Star Trek: Discovery.

Katherine Barrell is a Canadian actor, writer and director whose best-known role is Officer Nicole Haught in the supernatural western Wynonna Earp. She has also appeared in Workin' Moms and Good Witch.
In the Star Trek: Discovery episode Magic to Make the Sanest Man Go Mad she plays Stella Grimes, daughter of the wealthy arms dealer Baron Grimes. Once the crew break Harry Mudd's time loop, they hand him over to Stella and her father, from whom he had fled with her dowry. To his dismay, she still wants to marry him.
The character is a younger version of the Stella whose nagging android copy torments Mudd in the original series episode I, Mudd. Barrell's co-star Melanie Scrofano later appeared in Strange New Worlds.