Will Hay, back in his role as a hapless teacher, is hired by a grim school in remotest Scotland. The school soon starts to be haunted by a legendary ghost, whose spectral bagpipes signal the death of one of the staff. Hay, assisted by Claude Hulbert and Charles Hawtrey, has to unravel the mystery before he becomes the next victim.
| Actor | Role |
|---|---|
 Will HayWill Lamb | Will Lamb |
 Claude HulbertHilary Tisdaile | Hilary Tisdaile |
 Felix AylmerDr Winter | Dr Winter |
 Raymond HuntleyMr Humphries | Mr Humphries |
| CCharles MortimerSir Ambrose | Sir Ambrose |
 Charles HawtreyPercy Thorne | Percy Thorne |
 John LaurieJamie | Jamie |
 Manning WhileyStock | Stock |
| RRoddy HughesAmberley | Amberley |
 Derek BlomfieldSunshine | Sunshine |
 Clive BaxterRitzy | Ritzy |
 Hay PetrieProcurator Fiscal | Procurator Fiscal |
| DDavid KeirDr. Ritchie | Dr. Ritchie |
 Brefni O'RorkeSergt. Macfarlan | Sergt. Macfarlan |
 Derek AylwardExtra | Extra |
 Gerald CampionPupil at Rear of Class | Pupil at Rear of Class |
 Laurence HanrayClerk of Court | Clerk of Court |
 Bryan HerbertBus Driver | Bus Driver |
| BBen WilliamsCourt Policeman | Court Policeman |
| EElliott MasonMrs.Wigmore | Mrs.Wigmore |
 Jack MayMan in Courtroom (uncredited) | Man in Courtroom (uncredited) |