Caroline Hrycek-Robinson
From Tardis Wiki, the free Doctor Who reference
Caroline Hrycek-Robinson is credited as composing "A Happy Place" for the Big Finish Bernice Summerfield audio story The Worst Thing in the World.
She also played Mole in the First Doctor Adventures audio story The Miniaturist, credited alongside Benedict Briggs under "Child Voices".
Caroline is evidently a young relative of sound designer Toby Hrycek-Robinson, who also owns The Moat Studios.