Richard Burton

Leon Trotsky

Alain Delon

Frank Jackson

Romy Schneider

Gita Samuels

Valentina Cortese

Natalia Trotsky

Duilio Del Prete

Felipe

Enrico Maria Salerno

Salazar

Luigi Vannucchi

Ruiz

Jean Desailly

Alfred Rosmer

Simone Valère

Marguerite Rosmer

Peter Chatel

Otto

Giorgio Albertazzi

Carlos Miranda

Sheldon Harte

Claudio Brook

Roberto (uncredited)