Exclusive: The Last of Us star Bella Ramsey, Babygirl’s Harris Dickinson, Bridgerton star Nicola Coughlan, The Outrun’s Paapa Essiedu and How to Have Sex filmmaker Molly Manning Walker are among more than 400 industry professionals who have signed an open letter calling for industry action on trans rights following the UK Supreme Court ruling on April 17 that defines a woman based on biological sex.

The letter, which was started by development producer Sid Strickland of Motive Pictures and script editor Jack Casey, expresses solidarity for the trans, non-binary and intersex communities impacted by the supreme court ruling. The ruling and subsequent Equalities & Human Rights Commission guidance will see trans people excluded from many single-sex facilities, which will have an impact across the industry from sets to cinemas.

The letter calls on industry bodies and cultural institutions such as Bectu, BAFTA, BFI, Directors UK, Picturehouse, BBC, Writers Guild and Channel 4...