Ruth Marshall (born June 7, 1965) is a Canadian actress from Toronto, Ontario.
She graduated with a degree in English from McGill University in Montreal, Quebec and then returned to Toronto to pursue a career in acting.
She has appeared the television series Degrassi: The Next Generation and Doc, for which she earned a Gemini Award nomination in 2003 for Best Performance by an Actress in a Featured Supporting Role in a Dramatic Series.
She was also in the films Dolores Claiborne and Love and Human Remains.
The book chronicles Marshall's experience after being diagnosed with a non-malignant tumor, and details her journey back to health.