Lucy Amelia Nancy Moss (born 13 January 1994) is a British musical theatre composer, lyricist, playwright, writer, and director best known for co-creating the hit musical Six with Toby Marlow. As director of most Six productions, Moss became the youngest ever female director of a Broadway musical at 26. For its West End run, Six was voted Best New Musical of the Decade by readers of WhatsOnStage and received five Olivier Award nominations. Nominated for a Tony Award for Best Direction of a Musical with Jamie Armitage, Moss alongside Marlow won the Tony Award for Best Original Score in 2022. Before theatres reopened in 2021, Moss directed the virtual benefit performance of Ratatouille: The TikTok Musical. In 2022, Moss directed a new production of Legally Blonde: The Musical at Regent's Park Open Air Theatre in London.
Lucy Moss has 11 screen credits in a career dating back to 2006. Signature works include Bad Fairies, SIX: The Musical Live!, Stage Door Academy presents: Six: The Musical. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.