Ramón Mercader
Sylvia Ageloff
Trotsky
Kotov
Caridad Mercader
Salazar
Natalia Sedova
Siqueiros
Carles Vidal
Costa
Robins
Sheldon
Otto
Balderas
Homero
Ruby Weill
Estrada
'El Negro'
Herrera
Rosell
Pablo
Sieva
Carmen
Man in Hat
Amparo
Sergeant
Uniformed Man A
Sergeant Commander
Uniformed Commander
General
Cabaret Waiter
GPU Interrogator
GPU Man
Soviet Field Marshal #1
Soviet Field Marshal #2
Comtesse Waiter
Schnautz
GPU Instructor
Melquíades
Trotsky's Secretary
Hansen
Greta
Cooper
Helen
Leopoldo Rosmer
Narrator (voice)
Narrator (voice)
Himself - Politician (archive footage)
Himself - Politician (archive footage)
Himself - Politician (archive footage)
Herself - Trotsky's Wife (archive footage)