| Richard Burton (Leon Trotsky) |
| Alain Delon (Frank Jackson) |
| Romy Schneider (Gita Samuels) |
| Valentina Cortese (Natalia Sedowa Trotsky) |
| Jean Desailly (Alfred Rosmer) |
| Simone Valere (Marguerite Rosmer) |
| Giorgio Albertazzi |
| Enrico Maria Salerno (Salazar) |
| Luigi Vannucchi (Ruiz) |
| Duilio del Prete (Felipe) |
| Peter Chatel (Otto) |
| Hunt Powers (Lou) |
| Mike Forrest (Jim) |
| Carlos Miranda (Sheldon Harte) |
| Gianni Loffredo (Sam) |
| Pierangelo Civera (Pedro) |
| Bruno Boschetti |
| Marco Lucantoni (Seva Trotsky, le neveu de Leon Trotsky) |
| Rafaelillo |
| Claudio Brook (Roberto) |
| V.I. Lenin (Archives - Photo) |
| Leon Trotsky (Archives - Photo) |