Kingsley Marshall is a UK-based film producer, composer, and academic. He was executive producer on the feature films "Wilderness" (Director: Justin John Doherty) and "The Tape" (Director: Martha Tilston) both released in 2021, "Long Way Back" (Director: Brett Harvey), released in cinemas in autumn 2022, and "Enys Men" (Director: Mark Jenkin), which premiered at Cannes as part of Director's Fortnight before its release in the UK by the BFI and in the US by in 2023. He is an executive producer on the forthcoming "Rose of Nevada" (Director: Mark Jenkin 2025), and an associate producer on "Ebony and Ivory" (Director Jim Hosking 2024) and the archive documentary "Atlas Pool" (Director: Jane Darke and Andrew Tebbs 2025).

Kingsley produced "Backwoods" (Director: Ryan Mackfall), "Howlsavla Gwav" (Directors: Ryan Mackfall and Joe Gray), and "The Birdwatcher" (Director: Ryan Mackfall), which premiered at Frightfest in 2025, and composed the original soundtracks for "From the Culch" (Director: Paul Mulraney, 2023), "Hard, Cracked the Wind" (Director: Mark Jenkin, 2019), and "Dean Quarry" (Director: Rachael Jones, 2021).

He established the production company Myskatonic with writer/director Ryan Mackfall in 2019 and has a number of film and television projects in funded development.