| John Gordon Sinclair (as Gordon John Sinclair) |
Gregory Underwood |
| Dee Hepburn |
Dorothy |
| Clare Grogan |
Susan |
| Jake D'Arcy |
Phil Menzies |
| Chic Murray |
Headmaster |
| Alex Norton |
Alec |
| John Bett |
Alistair |
| Dave Anderson (as David Anderson) |
Gregory's Dad |
| Robert Buchanan |
Andy |
| Allan Love (as Alan Love) |
Eric |
| Allison Forster |
Madeline |
| Carol Macartney |
Margo |
| Billy Greenlees (as William Greenlees) |
Steve |
| Douglas Sannachan |
Billy |
| Caroline Guthrie |
Carol |
| Graham Thompson |
Charlie |
| Billy Feeley |
Mr. Anderson |
| Maeve Watt |
Miss Ford |
| Muriel Romanes |
Miss Welch |
| Patrick Lewsley |
Mr. Hall |
| Ronald Girvin |
Mr. Hall |
| Pat Harkins |
Kelvin |
| Tony Whitmore |
Gordon |
| Denis Criman |
Richard |
| Natasha Gerson |
Brenda |
| Christopher Higson |
Penguin |
Streaming rank this week: 5,745