Gerald has been separated from his wife and children for twenty-one years. Now ailing physically and mentally, he contacts them in the hope of a reunion.
| Actor | Role |
|---|---|
 Patrick TroughtonGerald | Gerald |
 Pat HeywoodJoan | Joan |
 John NormingtonDr. Lawrence | Dr. Lawrence |
 Doreen MantleMatron | Matron |
 Robert GlenisterPeter | Peter |
| VVicky OgdenCheryl | Cheryl |
| JJohn BottRonnie | Ronnie |
 Gilly ComanRobin | Robin |
 Zoot MoneyDave | Dave |
 Tim WhitnallPhil | Phil |
| IIvor DanversPolice Sergeant | Police Sergeant |