A wildlife volunteer on an uninhabited island off the British coast descends into a terrifying madness that challenges her grip on reality and pushes her into a living nightmare.
Mary Woodvine
as The Volunteer
Edward Rowe
as The Boatman
Flo Crowe
as The Girl
John Woodvine
as The Preacher
Joe Gray
as The Miner
Loveday Twomlow
as The Baby
Callum Mitchell
as Sound Engineer
Morgan Val Baker
as The Boatman (uncredited)
Amanda Rawling
as Bal Maiden (uncredited)
Dion Star
as The Boatman (uncredited)
Isaac Woodvine
as The Boatman (uncredited)
