Isabella Rose M. Blake-Thomas[1] (born 21 September 2002[2][non-primary source needed]) 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.
Later in 2009, she had a minor role in the biographical television film Enid,[4][5] In 2010, she was cast in an adaptation of the Just William series of books, playing Violet-Elizabeth Bott.
The following year she appeared in Game Shakers, Shameless and ABC's Once Upon a Time as the recurring younger version of Rebecca Mader.
In 2017, she re-appeared in Once Upon a Time and continued on as the lead role in Keplers' Dream with Holland Taylor, Kelly Lynch, Sean Patrick Flanery and Steven Michael Quezada.
In 2018 Blake-Thomas appeared in the leading role of Sam in Maybe I'm Fine alongside Kelly Sullivan, Rob Mayes, Flex Alexander and Daniela Alonso.