Dubin was born in Toronto, Ontario. From 2004-2006 Dubin starred in the TV series The Collector as Jeri Slate. She was nominated for a Gemini Award for this role. She also played a guest appearance role in Gene Roddenberry's Earth: Final Conflict as well as a number of other series. In 2006 Dubin appeared in the TV movie The Wives He Forgot with Molly Ringwald and Mark Humphrey. In 2004 she appeared in Napoleon Dynamite.