Three philosophy professors travel to Prague for a conference. One of them, Anderson, is forced to rethink his ideas on ethics when a former student is arrested by the Czech authorities for writing about individualist approaches to morality.
| Actor | Role |
|---|---|
 Peter BarkworthAnderson | Anderson |
 John ShrapnelMcKendrick | McKendrick |
 Stephen ReaHollar | Hollar |
 Richard O'CallaghanChetwyn | Chetwyn |
 Shane RimmerStone | Stone |
 David de KeyserCaptain | Captain |
 Bernard HillBroadbent | Broadbent |
| BBilly HamonCrisp | Crisp |
 Sam KellyGrayson | Grayson |
| VVictor LangleyChamberlain | Chamberlain |
| SSusan StrawsonMrs. Hollar | Mrs. Hollar |
| SStefan CebaSacha Hollar | Sacha Hollar |
| GGraeme EtonFrenchman | Frenchman |
| IIvan JelinekChairman | Chairman |
 Milos KirekPlain Clothes Policeman | Plain Clothes Policeman |
| LLudwig LangPlain Clothes Policeman | Plain Clothes Policeman |
| AArnoft KopeckyPlain Clothes Policeman | Plain Clothes Policeman |
| PPaul MoritzPlain Clothes Policeman | Plain Clothes Policeman |
| PPatrick MoncktonClerk | Clerk |
| SSandra FriezeTranslator | Translator |