Fast-rising British star Florence Hunt (“Queen at Sea,” “Bridgerton”) is set to lead the cast of “Bare,” the feature directorial debut of writer/director Lorna Tucker . Based on Tucker’s own memoir of the same name and drawn from her own lived experience, the film is now in production in London. Hunt — recently named a Dior ambassador — is joined by Isla Fisher (“Now You See Me Now You Don’t,” “Wedding Crashers”) and Oscar winner Colin Firth (“A Single Man,” “The King’s Speech”), alongside a impressive ensemble of rising talent. Among the additional cast are Sky Frances (“The Hunger Games: Sunrise on the Reaping”), Ruaridh Mollica (“VisionQuest,” “Sebastian”), Séamus McLean Ross (“California Schemin’,” “Outlander: Blood of My Blood”), Mirren Mack (“A Tale of Two Cities,” “28 Years Later: The Bone Temple”), Lewis Gribben (“Blade Runner 2099,” “Black Mirror”), Tut Nyuot (“Animol,” “The Long Walk”), Clay Russell (“Hamnet”), Umi Myers (“Dope Girls,” “Get Millie Black”), and Shane Walker (“This City Is…