"The voice will make its effect. And it will, undoubtedly, be very touching. But, tell me: after his voice has broken, can you make anything of him then?" After the solo, after the chorus, after the applause?
| Actor | Role |
|---|---|
 Leonard RossiterDawson | Dawson |
 Gerald JamesPeters | Peters |
| JJohn RinghamForeman | Foreman |
| JJeannette HillMrs. Pritchard | Mrs. Pritchard |
| GGeraldine NewmanMrs. Dawson | Mrs. Dawson |
| NNicholas WatsonRalph Dawson | Ralph Dawson |
 Sean FlanaganBilly | Billy |
| BBarrie CooksonFletcher - Headmaster | Fletcher - Headmaster |
| IIris RussellMrs. Fletcher | Mrs. Fletcher |
 Margaret JohnMrs. Peters | Mrs. Peters |
 Stephen ChurchettHistory teacher | History teacher |
 Simon Gipps-KentGaz Arnold | Gaz Arnold |
| PPatricia ClarkSoprano | Soprano |
| UUrsula ConnorsSoprano | Soprano |
| EEllen DalesSoprano | Soprano |
| NNicholas CoxBoy | Boy |
| JJean Campbell-DallasWoman in shop | Woman in shop |
 Cyril TownNephew | Nephew |