Once Upon a Time Wiki
Once Upon a Time Wiki
Isabella Blake-Thomas
General Information
Gender: Female
Nicknames: Boo
Birthday: September 21, 2002
Age: 18
Birthplace: Wandsworth, London, United Kingdom
Social Networks: Instagram
Other Information
Height: 5' 3"
Occupation(s): Actress
Talents: Acting
Family & Friends
Family: Charlie Blake-Thomas (father)
Elizabeth Blake-Thomas (mother)
Pet(s): Chai (puppy)
Series Information
Character: Young Zelena
First appearance: Sisters
Last appearance: Where Bluebirds Fly

Isabella Rose M. Blake-Thomas is an English actress, known for her roles as Princess January in Secret Society of Second-Born Royals, Young Zelena in Once Upon a Time, Peggy Kendall in Game Shakers and Sam in Maybe I'm Fine.

View the Isabella Blake-Thomas Gallery.


Blake-Thomas' first role was at the age of five, when she was selected to present the CBeebies television program Green Balloon Club. This ran for one series between 2008 and 2009. Later in 2009, she had a minor role in the biographical television film Enid, playing a girl who attends a tea party. In 2010, she was cast in an adaptation of the Just William series of books, playing Violet-Elizabeth Bott. Blake-Thomas had another minor role as 'Izzie', in the 2011 film Johnny English Reborn. Her first lead role was in the 2011 little known, independent film Little Glory as Julie, alongside Cameron Bright. In December 2012, Blake-Thomas played the part of Annabelle Crumb in the BBC Christmas adaptation of the David Walliams book Mr. Stink.

Personal life

Blake-Thomas divides her time between London and Los Angeles and lives with her mother Elizabeth. She is an ambassador for the Youth Food Movement because "[she wants] children to be healthy, so if they want to do anything they have lots of energy, and to teach them what healthy foods are."


Year Title Type Role
2008 The Green Balloon Club TV Series Lily-Rose (2008-2009)
2009 Enid TV Movie Children at Party
2010 Just William TV Series Violet-Elizabeth Bott
2011 Red Faction: Origins TV Movie Young Lyra
2011 The AXI: Avengers of eXtreme Illusions TV Series Young Sarah
2011 Jelly Jamm TV Series Rita
2011 Johnny English Reborn Izzie
2011 Little Glory Julie
2012 Rise of the Guardians British Girl (voice)
2012 Doctors TV Series Ellie Wickens
2012 Mr. Stink TV Movie Annabelle
2013 Midsomer Murders TV Series Holly
2013 Holly TV Mini-Series Emily
2013 What's the Big Idea? TV Series Lily (voice)
2013 Doctor Who TV Series Child Reading Comic
2013 The White Queen TV Mini-Series Little Girl
2013 Let Me Survive Emily
2014 The Smoke TV Series Nieve
2014 Da Vinci's Demon TV Series Beatrice
2014 Scarlet Thread Productions Video Short Girl
2014 We are Monster Little girl
2014 Work in Progress TV Series Madison Sterling
2015 Toxin: 700 Days Left on Earth Young Sarah
2015 Married TV Series Harper
2016 The Blimp Trap Billy Campbell
2016 Game Shakers TV Series Peggy
2016 Shameless TV Series Pregnant Teen / Pregnant Teenager
2016 Broken Wings Short Jemima
2016 Trust, Prey, Hope Tiffany Hope Ancaster
2016 Jean Jean Sporkin
2016 - 2017 Once Upon a Time TV Series Young Zelena
2017 Clockmaker Short Mannequin
2017 The League of Legend Keepers: Shadows Sophie
2017 Pretty Outrageous Poppy
2017 Kepler's Dream Ella
2018 Sand Angels Esperanza
2018 Maybe I'm Fine Sam
2018 Orphan Horse Young Caroline
2019 Turnover Pepper
2019 Unseen Short Jenny
2019 Wyrm Carmen
2019 The League of Legend Keepers: Shadows Sophie Carson
2020 Secret Society of Second Born Royals January
Sounds of Silence Jamie
Running on Empty Emma
Linked (post-production) Kenzie
Evie Rose (post-production) Charlotte
Community Service (pre-production) Felicity Tillman


  • Isabella Blake-Thomas is an accomplished Actress, Singer, Writer, Producer and Advocate. Isabella began her career as the lead in a children's TV series in the UK and went on to appear in multiple other shows and films before landing the fan-favorite role of Young Zelena in ABC's Once Upon A Time. She plays Disney Princess January in Disney+ Secret Society Of Second Born Royals (2020). Isabella is also known for her love of music, with her debut single released in 2018, her debut EP released in early 2019 and her second EP released September 2019. Isabella's work as both a singer/songwriter and actress are equally on display in her child trafficking awareness short film, UNSEEN, where she stars alongside Rhyon Brown and Yolanda Wood, accompanied by a soundtrack of Isabella's original songs.
  • The Official Ambassador of Suicide Awareness with Awareness Ties, Isabella hopes to shed more light on the prevalent issue of suicide and help put a stop to it. Along with her mother Elizabeth, Isabella is a founding member of their production company Mother & Daughter Entertainment, where together they focus on "Making Content That Matters", creating projects that start a conversation and spark change.
  • She got her start at the age of five as Lily-Rose in Green Balloon Club which has become known as one of her more prominent roles. She followed this by appearing in a minor role for Enid.
  • She appeared in an episode of Midsommer Murders called "Schooled in Murder" as the character Holly in 2013. In addition to her acting, she is also a singer/songwriter and aerialist.
  • She was born in Wandsworth, London to her parents Charlie and Elizabeth. She has a maltese puppy named Chai.
  • She played Izzie in Johnny English: Reborn, starring Rowan Atkinson.