Martin Sheen as Alex Holbeck

Brigitte Fossey as Karen Reinhardt

Sam Neill as Dimitri Vasilikov

Derek Jacobi as Kurt Limmer

Michael Lonsdale as Bodley

Frank Finlay as Canarsky

Warren Clarke as Konstantin

Michael Williams as Hirsch, Limmer's Assistant

David Baxt as Melton

Kevin McNally as Bruno

Michel Auclair as Doctor

Alan Adair as

Féodor Atkine as

Patrick Bauchau as Russian Soldier (voice)

Georges Beauvilliers as

Yves Beneyton as

George Birt as

Bernard Bloch as

George Bruce as

Gérard Buhr as

David Caffrey as

Geoffrey Carey as

Philippe Caroit as Student

François Caron as

Philippe Chemin as

François Clavier as

Corinne Dacla as

Madeleine Damien as

Guy Di Rigo as

Vernon Dobtcheff as Minister

Huguette Faget as

Jacques Famery as

Don Fellows as

Dominique Frot as

David Gabison as

Yves Gabrielli as

Murray Gronwall as

Lucienne Hamon as

Billy Kearns as

Jeffrey Kime as

Laura Koffler as

Gabrielle Lazure as Student

Maxence Mailfort as

Jacques Maury as

Roland Monk as

Diane Niedermann as

Rebecca Potok as

Liliane Rovère as

Rachel Salik as

Didier Sauvegrain as

Ninon Scheidweiler as

Gilles Ségal as

Igor Tyczka as

Sandy Whitelaw as

Bernard Woringer as

Rosine Young as

Dominique Pinon as Madman (uncredited)

Guy Delorme as Doctor (uncredited)

Vincent Grass as Soviet W (uncredited)

Patricia Kessler as (uncredited)

Gérard Moisan as Brodley man (uncredited)

Bruno Oppe as Madman (uncredited)