A unique document of the 1968 Soviet invasion of Czechoslovakia, what began as a documentary about the liberalization of Czechoslovakia evolved into a record of the entry of Russian tanks into Prague.
| Actor | Role |
|---|---|
 Alexander DubčekSelf (archive footage) | Self (archive footage) |
 Ludvík SvobodaSelf (archive footage) | Self (archive footage) |
| JJosef SmrkovskýSelf (archive footage) | Self (archive footage) |
| OOldřich ČerníkSelf (archive footage) | Self (archive footage) |
| ČČestmír CísařSelf (archive footage) | Self (archive footage) |
| ZZdeněk MlynářSelf (archive footage) | Self (archive footage) |
 Nicolae CeaușescuSelf (archive footage) | Self (archive footage) |
 Alexei KosyginSelf (archive footage) | Self (archive footage) |
 Jan NěmecSelf | Self |
| GGene MoskowitzCommentary (voice) | Commentary (voice) |