Before joining "The New Archies," Coristine builds her career as a voice actress in Canadian animation, working in studio recording environments and collaborating with directors and ensemble casts. Her early work helps develop her skills in vocal performance and character consistency across episodic storytelling.

Coristine also contributes to additional animated projects during her career, participating in productions aimed at younger audiences and working within ensemble voice casts. These roles allow her to refine her timing, vocal delivery, and adaptability across different animation styles.

In addition to voice acting, Coristine appears in television projects, expanding her experience across both on-camera and voice performance. Her work across multiple formats contributes to her development as a versatile performer.

Outside of acting, Coristine later transitions into work behind the scenes in the entertainment industry, remaining connected to media and production through professional roles beyond performance.