Matilda Legault Biography: Instagram, Height, Parents, Siblings, Boyfriend, TV Shows, Net Worth
Matilda Mary Jane Legault, known professionally as Matilda Legault, is a young Canadian actress emerging in television and film.
She comes from a family of performers and has gained attention for her role as Susie in HBO’s prequel series It: Welcome to Derry (2025), in which she appears alongside her older brother, Jack Molloy Legault.
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| Real Name: | Matilda Mary Jane Legault |
| Stage Name: | Matilda Legault |
| Born: | 2015s |
| Place of Birth: | Quebec, Canada |
| Nationality: | Canadian |
| Ethnicity: | Caucasian |
| Parents: | Erika Rosenbaum, Matt Legault |
| Siblings: | Jack Molloy Legault, Harriette Rosenbaum Legault, Beatrice Rosenbaum Legault |
| Occupation: | Movie and television actress |
| Net Worth: | $400,000 |
Early Life and Education
Matilda Mary Jane Legault was born in early 2015 in Quebec, Canada, to Erika Rosenbaum, a professional actress, and Matt Legault.
She has an older brother, Jack Molloy Legault, who is also an actor, as well as Harriette Rosenbaum Legault and Beatrice Rosenbaum Legault.
Matilda attends elementary school in Quebec and participates in local Girl Guide camps and youth hobbies. Her ethnicity is Caucasian, and her religious details are not publicly known.
Career
Matilda Legault began performing through family-influenced opportunities and local projects before stepping into professional screen work.
Her breakthrough came with a notable role as Susie in the 2025 HBO series It: Welcome to Derry, where she shared key scenes with her real-life brother, Jack Molloy Legault, and contributed to the emotional depth of the ensemble cast.
Even at a young age, Matilda has demonstrated poise and talent in front of the camera, earning positive feedback for her natural delivery in dramatic and suspenseful sequences.
Her involvement in this high-profile Stephen King adaptation marks an exciting early milestone, positioning her as a fresh young talent in Canadian and international entertainment as she continues to develop her skills.
Social Media
- Instagram Handle: @matilda.mj.legault
Personal Life
Matilda Mary Jane Legault, as a minor, is single with no children or relationship history.
She shares a close bond with her mother, Erika Rosenbaum, older brother, Jack Molloy Legault, and other siblings, while staying active in Girl Guides, school activities, and family life alongside her supervised acting commitments.
Net Worth
Matilda Mary Jane Legault has an estimated net worth of approximately $400,000 USD, which her parents manage.
This stems primarily from her acting roles in television and film, reflecting her early success in notable projects suitable for a young performer.
Filmography
- It: Welcome to Derry (2025) – Susie
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