| Age | 39 |
| Birthday | 10 November, 1984 |
| Eye Color | Brown - Light |
| Hair Color | Brown - Light |
| Zodiac Sign | Scorpio |
| Nationality | Canadian |
| Occupation | Actress |
| Claim to Fame | C'est comme ça que je t'aime |
Marilyn Castonguay is a Canadian actress, best known for her performance in the 2012 film L'Affaire Dumont. A graduate of the National Theatre School of Canada, her performance in L'Affaire Dumont garnered a nomination for Best Actress at the 1st Canadian Screen Awards.
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