Last updated on: August 7, 2025
Isabella Sermon (born 8 July 2006, Kensington & Chelsea, London) is an English actress best known for her breakout turn as Maisie Lockwood in the mega-hits Jurassic World: Fallen Kingdom (2018) and Jurassic World: Dominion (2022). Spotted by casting scouts at age ten during a school play, she won the part after an open audition, making her screen debut opposite Chris Pratt and Bryce Dallas Howard. Critics praised her emotional range, establishing her as one of Britain’s most promising Gen-Z talents.
As of December 2025, Isabella Sermon is 19 years and 4 months old. Her estimated net worth is $250 thousand, and she is 5 feet 2 inches (157 cm or 1.57 m) tall.
Bio/Wiki
Full Name
Isabella Sermon
Nickname
Isabella
Profession
Child Actor
Career
Debut
Movie
Jurassic World: Fallen Kingdom (2018)
Best Known for
Isabella is best known for playing Maisie Lockwood in the films Jurassic World: Fallen Kingdom (2018) and Jurassic World: Dominion (2022).
Personal Profile and Background Details
Date of Birth
8 July 2006
Age
As of today, Isabella Sermon is 19 years, 4 months, and 28 days old.
Zodiac sign
Cancer
Nationality
British
Birth Place
London, England, United Kingdom
Residence
London, England, United Kingdom
School / College / University
Isabella Sermon started her education in a traditional school in London, where she first caught the acting bug at just nine years old during a school play. That early spark would soon lead to major film roles—and a big shift in how she learned.
As her acting career picked up, especially with filming in the U.S., Isabella transitioned to homeschooling in New York. This flexible setup allowed her to juggle scripts and schoolbooks without missing a beat. By 2022, she had successfully completed her GCSEs, proving that for her, education isn’t just a backup plan—it’s a priority.
Religion
Christianity
Race / Ethnicity
Caucasian
Food Habits
She likes cheese a lot. Her particular diet and eating habits are not known as of now.
Hobbies
Isabella Sermon’s hobbies include listening to music, traveling, drawing, photography, creating art, and reading.
Tattoo
No tattoos on her body
Physical Attributes and Measurements
Height
- In feet: 5′ 2″
- In Centimetres: 157 cm
- In meters: 1.57 cm
Weight
- In kilograms: 44 kg
- In Pounds: 97 lbs
Body Measurements
28-22-30 inches
Shoe size
7 US
Dress size
2 US
Bra size
28A
Eye color
Blue
Hair color
Brown
Family
Father
Joshua Sermon
Mother
Gwen Sermon
Siblings
Sharon Sermon (Sister)
Winston Sermon (Sister)
Brett Sermon (Brother)
Relationship & More
Marital Status
Single
Marriage Date
None
Affairs or dating history
None
Net worth 2025
$250 thousand
As of December 2025, it’s estimated that Isabella Sermon has a net worth of about $250 thousand. Isabella might be best known for her role as Maisie Lockwood in the Jurassic World films, but she’s also quietly building an impressive financial foundation behind the scenes. From major movie roles to voice acting gigs—and with future opportunities wide open—this young British actress is proving that talent and timing can translate into serious earnings.
So how exactly does Isabella Sermon make her money? Let’s break it down.
Big Paydays from the Jurassic World Franchise
Isabella’s biggest claim to fame (and fortune) so far comes from starring in Universal’s Jurassic World films. She made her debut in Fallen Kingdom in 2018, playing the genetically-engineered Maisie Lockwood. The film was a global box office smash, raking in over $1.3 billion.
While child actors don’t typically earn blockbuster salaries, major studio productions often pay well—especially when the role is recurring and central to the plot. As a key part of the story, Isabella likely negotiated better terms for the sequel, Jurassic World: Dominion, which hit theaters in 2022 and brought in another $1 billion globally.
💵 Estimated earnings:
-
Fallen Kingdom (2018): $100,000–$250,000
-
Dominion (2022): $300,000–$600,000
Not bad for someone who landed her breakout role before turning 12.
Stepping into Voice Work: BBC Radio Drama
In 2023, Isabella lent her voice to the BBC Radio 4 series People Who Knew Me, voicing the younger version of a character played by Rosamund Pike. It’s a smaller gig compared to Jurassic Park dinosaurs and explosions—but it’s the kind of role that builds range and industry respect.
Estimated earnings:
-
BBC Radio Work: $5,000–$15,000
Radio dramas don’t pay Hollywood money, but they come with credibility—and open doors to voiceover opportunities in animation, video games, and audiobooks.
Brand Deals, TV Roles, and More
Right now, Isabella isn’t associated with any big endorsements or product partnerships—but that could change quickly.
Child actors who grow up with the spotlight often attract deals from fashion brands, eco-friendly companies, and streaming platforms. If Isabella signs a brand deal or lands a Netflix series in the coming years, she could easily command $50,000 to $250,000 per campaign, depending on the reach and brand size.
She’s also expressed an interest in playing diverse roles, including coming-of-age stories and thrillers—which tells us her team is thinking long-term. That’s where the real money (and career longevity) is.
Social Media Profiles
iamizzysermoninstagram.com/iamizzysermon
