Thomasina Hanbury

Emma Appleton

Martha Hanbury

Stefanie Martini

Enoch Johnson

Hugh O'Conor

Lt. Sebastian Holloway

Rory Fleck-Byrne

Major. Henry Cobcroft

Aaron Monaghan

Rebecca Cavendish

Ayvianna Snow

Young Thomasina Hanbury

Theodora Brabazon Legge

Young Martha Hanbury

Francesca Brabazon Legge

Teenage Thomasina

Eva O'Brien

Lola Hanbury

Chacha Seigne

Reginald Watson

Shaun Boylan

Reginald Watson (voice)

Neil Hannon

Major. General Norbury

Lorcan Cranitch

German Soldier at Checkpoint

Ian Toner

German Soldier at Checkpoint (voice)

Michael Hulsmann

Rachel Johnson

Serena Brabazon

Leo

Aran Murphy

Television Newsreader

Nick Dunning

Young Reginald Watson

William Forrest

Winston Churchill / Various Voices (voice)

Richard Elfyn

Various Voices (voice)

Gerald Tyler

Various Voices (voice)

Hamish Stanfeld

Sturmführer Hemplestall

Philip Condron

St. Paul's Nazi #1

Frank Armstrong

St. Paul's Nazi #2

Matthew McCann

Reginald Watson's Dancer #1

Melanie Leonard

Reginald Watson's Dancer #2

Ciara Nash

Reginald Watson's Dancer #3

Anja Nicholson

Self - Singer (archive footage)

David Bowie

Self - Politician (archive footage)

Adolf Hitler

Self - Politician (archive footage)

Winston Churchill

Self - Politician (archive footage)

Franklin D. Roosevelt

Self - BUF Leader (archive footage)

Oswald Mosley

Self - Diplomat (archive footage)

Joseph P. Kennedy Sr.

German Wermacht Officer (uncredited)

Ian Dillon