All seems ready for a major sale of impressionist paintings to be graced by a royal visit. But panic erupts in the boardroom when the pedigree of the Van Gogh - to be sold by the Russians - is questioned. When it causes a scene between the porters, Les and Mick, a respectable firm is forced to take drastic action to save the big day.
| Actor | Role |
|---|---|
 Peter VaughanLes Stone | Les Stone |
 Michael AldridgeJohn Bourke-White | John Bourke-White |
 James MaxwellGeoffrey Anderson | Geoffrey Anderson |
| PPeter BaylissTrevor Boveen | Trevor Boveen |
 Robert PuttMick McClaren | Mick McClaren |
 Stanley LeborDerek | Derek |
 Bernard GallagherJim | Jim |
 David CardyTony | Tony |
 Christopher FulfordBilly | Billy |
 Harry DitsonTeichman | Teichman |
 John TallentsWeaver | Weaver |
| JJulie LegrandFrenchwoman | Frenchwoman |
| NNina BottingReceptionist | Receptionist |
 Jill MeagerJenny | Jenny |
 Francesca BrillPrincess of Wales | Princess of Wales |
| RRuddy L. DavisBid Caller | Bid Caller |