Requested by @kennytheshark_337
Here are all the options I could think of! Hopefully there's one here that you like.
For anyone reading this who doesn't know who Freya Mavor is, this is her:
Faceclaims that I think look enough like her to be her sister:
Sarah Grey
Madison Iseman
Elena Kampouris
Florence Pugh
Nicola Peltz
Madelyn Cline
Hannah van der Westhuysen