Richard Burton

Leon Trotsky

Acting

Alain Delon

Frank Jackson

Acting

Romy Schneider

Gita Samuels

Acting

Valentina Cortese

Natalia Trotsky

Acting

Duilio Del Prete

Felipe

Acting

Enrico Maria Salerno

Salazar

Acting

Luigi Vannucchi

Ruiz

Acting

Jean Desailly

Alfred Rosmer

Acting

Simone Valère

Marguerite Rosmer

Acting

Peter Chatel

Otto

Acting

Giorgio Albertazzi

Acting

Carlos Miranda

Sheldon Harte

Acting

Claudio Brook

Roberto (uncredited)

Acting