Ralph Fiennes as Ignatz/Adam/Ivan Sors

Rosemary Harris as Valerie Sors

Rachel Weisz as Greta

Jennifer Ehle as Valerie Sonnenschein

Deborah Kara Unger as Carole Kovacs

William Hurt as Andor Knorr

Molly Parker as Hannah Wippler

James Frain as Gustave Sonnenschein

David de Keyser as Emmanuel Sonnenschein

John Neville as Gustave Sors

Miriam Margolyes as Rose Sonnenschein

Rüdiger Vogler as Jakofalvy

Mark Strong as István Sors

Bill Paterson as Minister of Justice

Trevor Peacock as Comrade Gen. Kope

Hanns Zischler as Baron Margitta

Mari Törőcsik as Older Kato

Katja Studt as Kato

Péter Andorai as Anselmi

Buddy Elias as Mr. Brenner

János Kulka as Molnár

Lajos Kovács as MP in Camp

Péter Halász as Wild Duck

Kathleen Gati as Josefa Sonnenschein

Vilmos Kun as Rabbi Bettelheim

Juhász Jácint as Mr. Hackl

Flóra Kádár as Mrs. Hackl

Kati Sólyom as Landlady in Vienna

Joachim Bißmeier as Dr. Emil Vitak

Tamás Fodor as Notary

Attila Lőte as Count Forgach

Frederick Treves as Emperor

István Hirtling as Dr. Lanyi

Ádám László as Emmanuel at 12

Balázs Hantos as Aaron Sonnenschein

Tamás Raj as Rabbi at Wedding

Zoltán Bognár as Doctor #1

Sándor Simó as Doctor #2

Zoltán Gera as Man at Synagogue

András Fekete as Footman

Bálint Trunkó as István at 18

János Nemes as Ádám at 17/Ivan at 16

Tamás Juranics as Commander of Lenin Boys

András Stohl as Red Guard

Tamás Keresztes as 1st Boy

Bence Kotány as 2nd Boy

Zsolt László as Lugosy

Gábor Mádi Szabó as Priest at Conversion

István Szilágyi as Hungler

László Gálffi as Rossa

Zoltán Seress as Tersikovsky

István Bubik as Saray

Eszter Ónodi as Secretary at Officer's Club

Sándor Dánffy as Policeman

Károly Mécs as Defense Secretary

Rajhona Ádám as Caretaker

Péter Takács as Stefano Sarto

László Szepesi as Olympic Judge

Gábor Máté as Rosner

Israel Horovitz as Poet

Andrea Fullajtár as Agota Hofer

György Kézdy as Outraged Man

Tamás Jordán as Sommer

István Fonyó as Warehouse Guard

József Fonyó as Prison Sergeant

Frigyes Hollósi as Mr. Ledniczky

Ila Schütz as Mrs. Ledniczky

János Vészi as Doctor #3

Ilona Gurnik as Woman in Hospital

Éva Igó as Policewoman

Jack Beresford as Self - Olympics, Carries UK Flag (archive footage) (uncredited)

Wilhelm Brückner as Self - Behind Hitler (archive footage) (uncredited)

Henri de Baillet-Latour as Self - with Hitler and Diem (archive footage) (uncredited)

Gudrun Diem as Self - Presents Flowers to Hitler (archive footage) (uncredited)

Wilhelm Frick as Self - Beside Hitler (archive footage) (uncredited)

Joseph Goebbels as Self - Beside Hitler (archive footage) (uncredited)

Rudolf Hess as Self - Beside Hitler (archive footage) (uncredited)

Adolf Hitler as Self - 1936 Berlin Olympic Games (archive footage) (uncredited)

Wilhelm Keitel as Self - With Hitler/Baillet-Latour (archive footage) (uncredited)

King Umberto II as Self - Beside Hitler (archive footage) (uncredited)

Nikkolas Lavorato as (uncredited)

Theodor Lewald as Self - with Hitler and Diem (archive footage) (uncredited)

Julius Schaub as Self - Behind Hitler (archive footage) (uncredited)

Fritz Schilgen as Self - Olympics, Lights Flame (archive footage) (uncredited)

Sándor Szakácsi as Ignatz Sonnenschein / Adam Sors / Ivan Sors (voice) (uncredited)

Werner von Blomberg as Self - Beside Hitler (archive footage) (uncredited)