In 1993, her big-screen debut happened in the film Son in Law.
It was later followed by two more Saved by the Bell projects, which started the same year as her film debut and ending in 1994.
Aside from acting, Thiessen also has several appearances in music videos that are from the artists Vertical Horizon, Ben Lee, and Douglas.
She played the role of Lori Mendoza, which already got an announcement a year before the series premiered.