| Release Date | 1968-05-07 |
|---|---|
| Runtime | 42 minutes |
| Genres | TV Movie, Horror |
| Stars | Michael Hordern, Ambrose Coghill, George Woodbridge, Nora Gordon, Freda Dowie |
| Directors | Ken Morey, Paul Stone, John Ramsay, Dick Bush, Ron Hooper |
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.
