Jonas Dassler as Dietrich Bonhoeffer

Phileas Heyblom as Young Dietrich Bonhoeffer

August Diehl as Martin Niemoller

David Jonsson as Frank Fisher

Moritz Bleibtreu as Karl Bonhoeffer

Nadine Heidenreich as Paula Bonhoeffer

Clarke Peters as Reverend Powell Sr.

Flula Borg as Hans Dohnanyi

Lisa Hofer as Sabine Bonhoeffer

Arthur Riordan as Publican

Luise Landau as Young Sabine Bonhoeffer

William Robinson as Eberhard Bethge

James Flynn as Dr. Rascher

Greg Kolpakchi as Officer Ansel Knoblauch

Simon Licht as Herman Punder

Mark Wingett as Payne Best

Evan Hart as Vassily Kokorin

Vincent Franklin as Bishop Bell

Patrick Mölleken as Walter Bonhoeffer

Felix von Bredow as Rudolf-Christoph Von Gersdorff

John Akanmu as Louis Armstrong / Satchmo

Tim Hudson as Winston Churchill

Caroline Berry as Clementine Churchill

Marc Bessant as Hitler

John Keogh as Professor Fosdick

Muiris Crowley as Hoble (Lead Officer)

Katharina Heyer as Else Niemoller

Robert Besta as Rudolf Bamler

Christopher Reinhardt as Dr. Reinhard Krause

Jade Matthew as Christel Bonhoeffer

Charlotte Martz as Young Christel Bonhoeffer

Leonard Treyde as Klaus Bonhoeffer

Victoria Grueber as Susanne Bonhoeffer

Mattis Feldman as Jan Niemoller

Tomer Barash as Moses Kiefer

Mark Huberman as Samuel

Arne Gottschling as Another Prisoner

Toussaint Colombani as Swiss Guard 1

Matthijs van de Sande Bakhuyzen as Swiss Guard 2

James Craze as Bus Driver

Andy Kellegher as Gestapo At The Buchenwalde

Charles De Meester as Prisoner 2

Kurt Erickson as Church Goer 1

Dagmar Döring as Church Goer 2

Andreas Berger as Grim Gestapo #1

Tobias Schäfer as Gestapo Officer Of The Youth

Jörg Westphal as Gestapo At The Gallows

Jordan McGuinness as SS Officer 1

Antoine Van Lierde as Rector

Rachel Lally as Wife

Johannes Heinrichs as Grabbing Man

Milton Welsh as Ludwig Müller

Roman Schomburg as Ulrich Wagner

Joseph Palmer as Man in Sedan

Derek Carroll as Gestapo

Marcus Lamb as Colonel Tresckow

Alex O’Brien as Officer (uncredited)

Mary T Lynch as Woman (uncredited)

Scott William Winters as Innkeeper

Mark de Carreau as Londoner

Sorcha Real as Congregant

Ciara Dan McGinnis as Berlin Passenger

Johannes Schreiber as Fahrer

Ingo Brosch as Gerhard Jacobi

Jean Schatz as SS Unteroffizier

Jean-Michel Vovk as Prisoner #1

Lewis Goody as Prisoner 3

Ruben Francq as Another Prisoner

Richard Wells as Another Bishop

Dada Ashi as Mattie Powell

David Coffey Weakley as Jasper Montgomery Passenger

Lili Baldari as Girl in Tea Room

Morgan Cooke as Executioner

Sion Alun Davies as Sebastian

Gabriel Marie S. Debaty as Political Prisoner

Nyla DeGrate as Student

Mathieu Michel F. Devuyst as Political Prisoner

Damien Donnelly as Church Attendee

Aaran Donoghue as Gestapo Officer

Nathan Edo as Third Student

Pat Egan as Officer Franz Kohler

David Faniel as Political Prisoner

John Flanders as Bishop #4

Eliana Getachew as Another Student

Eliana Getachew as Another Student

Fabien Guilliams as Political Prisoner

Guillame Alban V. Jousten as Political Prisoner

Dashiell James Komarnicki as Henry Maddox

Remy Grace Komarnicki as Anne Maddox

Andrew McCarthy as Prisoner

Caolan McClafferty as Prisoner

Lincoln McLain as Street Kid #2

Suzann McLean as Another Churchgoer

Daire McMahon as Gestapo

Des Meade as Scrivener

Daithi Michael as Gestapo Officer

Jacky Nercessian as Pastor

Hugh O'Shea as Brit

Ava Rose Paul as Ava

Moritz Ross as Other Gestapo

Flynn Segura as Street Kid #1

Harry Stone-Brown as Grim Gestapo #2

Charlie Stuart as Bishop #3

Niko El Santo Zavero as Prisoner

Heather Zicko as Veronica Maddox

Martin Zonderman as Prisoner Buchenwald

Guy Dierckx as Gestapo Officer

Janet Grene as Berlin Passenger (uncredited)

Ollie Ryan as Priest (uncredited)

Ian Dillon as Church Attendee/Airplane Passenger (uncredited)