A child chess prodigy from Liverpool plays the Russian world champion, at a time of crisis in both their lives.
| Actor | Role |
|---|---|
 Michael AngelisJack | Jack |
 Michael PooleKrylov | Krylov |
 Eileen PollockGilly | Gilly |
| AAnthony CarneyCarl | Carl |
| AAnthony McInerneyLee | Lee |
| MMatthew GuinnessStoller | Stoller |
 Cathy MurphyCarol | Carol |
 Donald SumpterMakov | Makov |
 Janie BoothJenny | Jenny |
| NNeil CunninghamRobinson | Robinson |
 David CardyReporter | Reporter |
 Ian LindsayWringer | Wringer |
| PPhilip BarnesPlain Clothes Policeman | Plain Clothes Policeman |
 Owen BrenmanRussian Embassy Official | Russian Embassy Official |