Wicked Little Letters is a 2023 British period black comedy mystery film directed by Thea Sharrock, written by Jonny Sweet and starring Olivia Colman, Jessie Buckley, Anjana Vasan, Joanna Scanlan, Gemma Jones, Malachi Kirby, Lolly Adefope, Eileen Atkins and Timothy Spall. Based on the Littlehampton libels of the early 1920s, it follows an investigation into the anonymous author of numerous crudely insulting letters sent to the residents of the seaside town of Littlehampton.