About Mary Jo Eustace
Born 1957. Mary Jo Eustace is a Canadian actor.
Mary Josephine Eustace (born May 1, 1962) is a Canadian actress, singer-songwriter, comedian, model, author, and sous-chef best known as co-host of the Canadian cooking TV series What's for Dinner?.
Early life Eustace was born and raised in Toronto, Ontario. She attended Jarvis Collegiate Institute and McGill University, where she studied English. She later graduated from George Brown College's culinary program.
Career In 1994, Eustace recorded a solo musical album entitled Bone & Marrow.
In 1995 Eustace appeared on What's for Dinner?, on Life Network, co-hosting with Ken Kostick throughout its run during the late 1990s. From 2000 to 2001, Eustace served as a regular on Canada AM. In April 2007, Eustace reunited with Kostick as the original morning hosts of What's for Breakfast on new Toronto radio station PROUD FM, a station licensed to appeal to the city's LGBT community. She stepped down from the show in June 2008 and subsequently co-hosted He Said, She Said with Ken and Mary Jo, a cooking show similar to What's for Dinner?, which debuted in July 2008 on W Network.
Eustace has also acted, appearing in one episode each of Forever Knight in 1995, The Newsroom in 1997 and Power Play in 2000, as well as the television movie What Kind of Mother Are You? (1996), the feature film That Old Feeling (2000) and the short film Break Dreams (2014).
In addition to her book about the break-up of her marriage,
Personal life Eustace married actor Dean McDermott on July 24, 1993. They moved to Los Angeles for McDermott's acting career. They had one child (born 1998) and were in the process of adopting a baby girl when McDermott began an affair with Tori Spelling.
After 13 years of marriage, McDermott and Eustace divorced on February 12, 2006, and he married Spelling that May. She later finished the adoption of her daughter (born 2004) as a single parent.
Although McDermott was awarded joint custody of their son, Eustace moved back to Canada with her children. She returned to Los Angeles in 2008 and has been based there since.
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Important facts
Family & relationships
People in Mary Jo Eustace's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Mary Jo Eustace's
Frequently asked questions
Who is Mary Jo Eustace?
actress
When was Mary Jo Eustace born?
Mary Jo Eustace was born on 19 August 1957 in Toronto.
What is Mary Jo Eustace's occupation?
Mary Jo Eustace is an actor.
What nationality is Mary Jo Eustace?
Mary Jo Eustace is Canadian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Mary Jo Eustace. https://biography.guide/mary-jo-eustace/
MLA: "Mary Jo Eustace." Biography.guide, https://biography.guide/mary-jo-eustace/.
Chicago: "Mary Jo Eustace." Biography.guide. https://biography.guide/mary-jo-eustace/.
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