Molly is from Manchester, England. Her credits include lead roles in the feature films Omaha (2026), Deep Water (2026), and Lionsgate's The Best Christmas Pageant Ever (2024). Omaha premiered in Dramatic Competition at the 2025 Sundance Film Festival, where her performance received recognition at multiple international festivals.

She will next appear in the title role of Flavia (Sky) and as a supporting lead in the sci-fi feature Black Box (Flight 298).

Alongside acting, Molly trains in ballet, tap and jazz, and enjoys music and writing.