Julian Glover
— Alexander Dubcek
Paul Chapman
— Zdenek Mlynar
Paul Hardwick
— Leonid Brezhnev
John Woodnutt
— Kosygin
Ray McAnally
— Smrkovsky
Ewan Hooper
— Cernik
Jeffrey Segal
— Kriegel
Hugh Morton
— Svoboda
Alan Tilvern
— Bilak
Anthony Langdon
— Sadovsky
Peter Schofield
— Kolder
Barrie Cookson
— Simon
Michael Cronin
— Spacek