or ' The Diary of a Schoolmaster,' starring Will Hay as Dr. Muffin, with Dick Francis , Beryl Riggs , Harry Locke , Michael Hunt , Peter Byrne , and Billy Nicholls. St. Michael's Choir trained by Max Saunders. BBC Variety Orchestra, conducted by Charles Shadwell. Script by Will Hay, Max Kester , and Alick Hayes. Produced by Alick Hayes.