A university professor, confident that everything which occurs in life has a rational explanation, finds his beliefs severely challenged when, during a vacation to a remote coastal village in Norfolk, he blows through an ancient whistle discovered on a beach, awakening horrors beyond human understanding.
Michael Hordern
Professor Parkins
Ambrose Coghill
Colonel
George Woodbridge
Hotel Proprietor
Nora Gordon
Proprietress
Freda Dowie
Maid
