Richard Burton
Leon Trotsky
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)
Nicholas Mosley
Author
Pasqualino De Santis
Director of Photography
Egisto Macchi
Original Music Composer
Joseph Losey
Director
Peter T. Davies
Sound Recordist
Annalisa Nasalli-Rocca
Costume Design
Franco Solinas
Screenplay
Richard Macdonald
Production Design
Joseph Losey
Executive Producer
Josef Shaftel
Executive Producer
Reginald Beck
Editor
Arrigo Equini
Art Direction
Norman Priggen
Producer
Masolino D'Amico
Screenplay