[1] She appeared in a number of Canadian television dramas the following years, include Night Heat, Diamonds, The Hitchhiker, and Street Legal.
She played the female leading roles in horror films Pin (1988), The Brain (1988), and Prom Night III: The Last Kiss (1989).
Preston starred in the 1994 award-winning comedy-drama film Whale Music opposite Maury Chaykin.
She guest-starred on The X-Files, Andromeda, CSI: Crime Scene Investigation, Two and a Half Men, Bones, Flashpoint and Hannibal.
She starred in a more than ten Lifetime television movies, including The Love of Her Life (2008), Dead at 17 (2008), A Sister's Secret (2009), The Wife He Met Online (2012), A Nanny's Revenge (2012), The Secret Sex Life of a Single Mom (2014), Stalked by a Reality Star (2018), and The Cheerleader Escort (2019).