Alfonso Herrera

as Ramón Mercader

Hannah Murray

as Sylvia Ageloff

Henry Goodman

as Trotsky

Julian Sands

as Kotov

Elvira Mínguez

as Caridad Mercader

Emilio Echevarría

as Salazar

Frances Barber

as Natalia Sedova

Alejandro Calva

as Siqueiros

Roger Casamajor

as Carles Vidal

Javier Godino

as Costa

Toby Harper

as Robins

Alexander Holtmann

as Sheldon

Brontis Jodorowsky

as Otto

Gustavo Sánchez Parra

as Balderas

Humberto Busto

as Homero

Jenny Beacraft

as Ruby Weill

Juan Carlos Remolina

as Estrada

Guillermo Ríos

as 'El Negro'

David Hevia

as Herrera

Javier Molina

as Rosell

Peter Nikolas

as Pablo

Lucas Anaya

as Sieva

Ainhoa García Forcada

as Carmen

Carlos Corona

as Man in Hat

Alondra Hidalgo

as Amparo

Fermín Martínez

as Sergeant

Gilberto Barraza

as Uniformed Man A

Evaristo Valverde

as Sergeant Commander

Memo Villegas

as Uniformed Commander

Algis Arlauskas

as General

Jaime Estrada

as Cabaret Waiter

Víctor Benjumea

as GPU Interrogator

Xavier Ruano

as GPU Man

Mykola Doroshenko

as Soviet Field Marshal #1

Darko Pilipovic

as Soviet Field Marshal #2

Colin Morgan

as Comtesse Waiter

Peter Theis

as Schnautz

Aleh Khaliankou

as GPU Instructor

Raúl Briones

as Melquíades

Tania Olhovich

as Trotsky's Secretary

Luis Miguel Costero L.

as Hansen

Camilla Brett

as Greta

Enrique Greiner

as Cooper

Marcia Seeman

as Helen

Gastón Yanes

as Leopoldo Rosmer

Ramón Madaula

as Narrator (voice)

Daniel Giménez Cacho

as Narrator (voice)

Vladimir Lenin

as Himself - Politician (archive footage)

Leon Trotsky

as Himself - Politician (archive footage)

Joseph Stalin

as Himself - Politician (archive footage)

Natalia Sedova

as Herself - Trotsky's Wife (archive footage)