7 Unforgettable Roles Of Millie Davis: The Star Who Turned 19 In 2025

The question of "was someone born on December 6th, 2006" often leads to a fascinating discovery: the answer is a young, powerhouse talent who has been a fixture on both television and the big screen for over a decade. That person is Millie Davis, a Canadian actress whose career trajectory from beloved child star to a versatile young adult performer is nothing short of remarkable. As of December 2025, Davis has just celebrated her 19th birthday, marking a significant milestone in a career that began when she was just a toddler, making her one of the most successful young actresses of her generation.

Her work spans from lighthearted children's educational programming to critically acclaimed, complex sci-fi dramas, demonstrating an incredible range. This deep dive explores her complete profile, the defining roles that cemented her legacy, and her latest projects that promise an exciting future in Hollywood, ensuring the information is as current and fresh as today, December 17, 2025.

Millie Davis: Complete Biographical Profile and Early Career

Millie Davis was born into a family already deeply involved in the entertainment industry, giving her a natural entry point into acting. Her father, David Davis, and mother, Megan Davis, are both involved in the industry, and her older brother, Drew Davis, is also a working actor. This supportive, creative environment allowed her to start her professional career at an exceptionally young age.

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• Full Name: Millie Davis
• Date of Birth: December 6, 2006
• Age (as of Dec 2025): 19 years old
• Birthplace: Toronto, Ontario, Canada
• Nationality: Canadian
• Parents: David Davis and Megan Davis
• Sibling: Drew Davis (Actor)
• Occupation: Actress, Voice Actress
• Years Active: 2011–Present
• Zodiac Sign: Sagittarius
• Notable Awards: Multiple Joey Award wins and nominations, including Best Young Ensemble in a TV Series for Odd Squad.

Davis's career started with commercial work before she landed her first major television role in 2011. Her ability to handle complex dialogue and maintain a professional demeanor on set quickly made her a sought-after talent in the Canadian and international film and television landscape. She successfully navigated the challenging transition from child star to a young adult actress without the typical pitfalls, maintaining a steady stream of diverse projects.

The Defining Roles: From Ms. O to Gemma Hendrix

Millie Davis’s career is defined by several iconic roles that showcase her versatility across different genres. These projects not only earned her critical praise but also built a massive fanbase, establishing her topical authority in both children's media and adult sci-fi.

1. Ms. O / Big O in Odd Squad (2014–2016)

Perhaps her most recognizable role to a young audience, Davis played the formidable and hilariously serious Ms. O, the head of the Odd Squad organization. Her character, later revealed as Big O, was known for her deadpan delivery, love of juice boxes, and commanding presence, despite her small stature. This role earned her several Joey Awards and made her a staple of PBS Kids and TVOKids programming.

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2. Summer in Wonder (2017)

In the critically acclaimed film Wonder, Davis played Summer, one of the first students to befriend Auggie Pullman (Jacob Tremblay), a boy with facial differences. Summer’s kindness and loyalty provided a crucial emotional anchor for the film. Working alongside stars like Julia Roberts and Owen Wilson, Davis proved she could hold her own on the big screen, delivering a nuanced and heartfelt performance that resonated with millions.

3. Gemma Hendrix in Orphan Black (2014–2017)

For a more mature audience, Davis is known as Gemma Hendrix, the daughter of Alison and Donnie Hendrix, in the complex, award-winning sci-fi series Orphan Black. Her role as a member of the Clone Club’s extended family showcased her ability to handle dramatic material within a high-stakes narrative. This performance demonstrated her early capacity for serious acting alongside the critically praised Tatiana Maslany.

4. Riley in Dino Dana (2017–2020)

Davis provided the voice for Riley, a central character in the educational children's series Dino Dana. This role highlighted her skills as a voice actress, adding another dimension to her already impressive resume in children’s television, further cementing her status in family programming.

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5. The Voice of Esme in Esme & Roy (2018–2021)

Continuing her work in animation, Davis voiced the main character, Esme, in the animated preschool series Esme & Roy. The show, which focuses on monster-sitting and emotional problem-solving, allowed Davis to explore a different type of character, showcasing her range in voice-over work.

6. Iggy in Detention Adventure (2019–2020)

Davis took on the role of Iggy in the CBC Gem series Detention Adventure, a show about a group of students who discover a hidden tunnel beneath their school. This project allowed her to delve into a more traditional teen adventure genre, demonstrating her growth as an actress capable of leading an ensemble cast.

7. Lamya in Lamya's Poem (2022)

In a significant voice acting role in the animated film Lamya's Poem, Davis voiced the titular character, a 12-year-old Syrian refugee who finds solace in the poetry of Rumi. The film, which deals with profound themes of displacement and hope, was a powerful and moving project that showcased Davis's commitment to meaningful, socially relevant storytelling.

Current Projects and The Future of a Rising Star (2025 Updates)

The transition from a beloved child star to a serious young adult actress is often challenging, but Millie Davis has navigated it seamlessly, consistently securing roles that reflect her maturity and expanding skill set. As of late 2025, her career is showing no signs of slowing down, with appearances and projects signaling a move into more adult-oriented cinema.

A key piece of recent information, highlighting her current relevance, is her appearance at the New York Premiere of the film Hell Of A Summer on April 1, 2025. While details about her specific involvement in the film may be under wraps, her presence at such a high-profile event indicates her continued active participation in the film industry and her association with new, exciting projects.

Her work in the 2019 comedy film Good Boys, where she played Brixlee, was another step in this transition, allowing her to work in a raunchier, more adult comedic setting alongside stars like Jacob Tremblay. This willingness to explore diverse genres—from the serious sci-fi of Orphan Black and the drama of Wonder to the family fun of Odd Squad and the comedy of Good Boys—is what makes her a compelling and enduring talent.

Fans and industry insiders alike are eagerly anticipating her next major project, particularly now that she has reached the age of 19. Her early life on set has provided her with a wealth of experience, making her a highly polished and professional performer. Millie Davis is not just a former child star; she is a dynamic Canadian actress who continues to shape the future of film and television, proving that the person born on December 6th, 2006, is a talent to watch for decades to come.