- Toby Eden - Billy Taylor
- David Shields - Cpt. Everett Blakely
- Ella Rubin - Peggy
- Tom Kane - McDaniels
- Jon-Paul Bell - Burgin
- Buck Braithwaite - Amison
- James Meunier - Lorch
- Oaklee Pendergast - Sgt. William Hinton
- Kieron Moore - Cliff Starkey
- Chris Gordon - Landing Officer
- Ben Radcliffe - Lt. John Brady
- Adam Long - Cpt. Benny DeMarco
- Darragh Cowley - Graham
- Jonas Moore - Lt. Frank Murphy
- Elliot Warren - Lt. James Douglass
- Jordan Coulson - Lt. Hambone Hamilton
- Louis Greatorex - Lt. 'Bubbles' Payne
- Ronan Summers - Sgt. Mallard
- Daniel Fearn - Local Scole Man
- Tommy Jessop - Tommy
- Amy Cudden - Marjorie
- Ethan Moorhouse - Hafer
- Samuel Jordan - Sgt. John J. 'Winks' Herrmann
- Dean Ridge - Lt. Richard Snyder
- Bobby Johnson - Fritton
- James Frecheville - Maj. Bill Veal
- Sonny Ashbourne Serkis - Evans
- Charlie Rix - Lt. Van Noy
- Mikey Collins - Lt. Schmalenbach
- Jojo Macari - Cpt. Oran Petrich
- Lino Facioli - Lt. Adams
- Thomas Flynn - Barr
- George Webster - Lt. Dye
- Freddy Carter - Lt. David Friedkin
- Gary Shelford - Army Chaplain Teska
- Fionn O'Shea - Steve Bosser
- Luke Baker - Best
- Harley Johnston - Mullins
- Milo Quinton - Edward Musante
- Aron von Andrian - German Flak Gunner
- Filipe Cates - Villalobos
- Sebastian Orozco - Sgt. Garcia
- Max Hastings - Kenneth Allen
- Neil Pendleton - Stewart
- John Hopkins - Dr. 'Smokey' Stover
- Emma Canning - Helen
- Elliott Ross - Don Strout
- Nathan Hubble - Britton Smith
- Edward Ashley - Maj. Jack Kidd
- Alfie Field - Torchy Coatsworth
- Bert Seymour - Bryan
- Patrick Warner - RAF Officer
- Spike White - Lt. Charles A. Via
- Sam Gittins - Sgt. William McClelland
- Jonah Rzeskiewicz - Jimmy Parks
- David Goodall - Scottish Officer
- Raff Law - Sgt. Ken Lemmons
- Zachary Hart - Norris G. Norman
- Nick Preston - Norman Smith
- Raif Clarke - Sgt. Charles A. Clark
- Saura Lightfoot Leon - Louise
- Mat Laroche - Louise's Father
- Vincent Londez - Jean Achten
- Lewis Gribben - Sgt. Robert Bixler
- Ben Segers - Vincent
- Barney White - Bob
- Phillip Lewitski - Harper
- Bronwyn James - Susie
- Danielle Phillips - Alice
- Lauren McQueen - Rose
- Josh Bolt - Lt. Pappy Lewis
- Tim Preston - Speas
- Léonie Lojkine - Michou
- Robert Jezek - Polish Waiter
- Yves Heck - Train Conductor
- Jordan Scowen - Sgt. John H. Shaffer
- Theodore Bhat - Sgt. Clarence C. Hall
- Francesco Piacentini-Smith - Sgt. Ray H. Robinson
- Dean John-Wilson - Lt. Clifford Milburn
- Ian Dunnett Jnr - Lt. Ronald C. Bailey
- Riley Neldam - Sgt. Michael V. Boccuzzi
- Michael James - Sgt. Loren F. Darling
- Ivy Corbin - Well Dressed Woman
- Barry Keoghan - Lt. Curtis Biddick
- Isabel May - Marge
- Nikolai Kinski - Col. Harold Huglin
- Joanna Kulig - Paulina
- Bel Powley - Sandra Wesgate
- Tommy Harris - Replacement Officer
- Adam Silver - Lt. David Solomon
- James Eeles - Barman
- Lee Hunter - Bill 'Teddy' Clift
- Eric Sigmundsson - EO 'Butch' Rovegno
- Ross White - Sgt. Spence
- Matthew Simpson - Lt. Homer Tripp
- Brandon Bassir - Sgt. James A. McCusker
- Dimitri Leonidas - Sgt. George J. Petrohelos
- Maximilian Henhappel - German Pilot
- Louis Hofmann - Lt. Ulrich Haussmann
- Sawyer Spielberg - Lt. Roy Claytor
- Eric Sirakian - Base Guard
- Eric Sirakian - Base Guard - Thorpe Abbots
- Julian M. Deuster - German Farmer #1
- Raul Fernandes - German Farmer #2
- Paul Hunter - Batman
- Daniel Anderson - Luftwaffe Guard #1
- Sid Phoenix - Ralph Nist
- Martin Oelbermann - Conductor
- Freddie Stewart - Paul Clarkowski
- Sam Haygarth - Ralph Kelley
- Oscar Morgan - Nazi Air Raid Warden
- Gertrude Thoma - German Woman #2
- Joachim Paul Assböck - German Man #2
- Arvid Larsen - German Man #3
- Jamie Parker - Dr. Huston
- Alastair Galbraith - Professor A.D. Lindsay
- Jack Gouldbourne - Bombardier
- Peter Sandys-Clarke - British Officer #1
- Wayne Forester - Chaplain
- Manpreet Bachu - British Officer #2
- Joncie Elmore - Orderly
- Joncie Elmore - Orderly - 418th
- J.B. Moore - Oarman
- Guy Remy - Luftwaffe Guard #5
- David Angland - Prisoner of War
- Jesse Rutherford - Jimmy
- Alexander Perkins - Wehrmacht Sergeant
- David Brückner - Luftwaffe Guard #6
- Scott Folan - Billy Keller
- Patrick McNamee - Sgt. Marion J. Sheldon
- Olly Bassi - Luftwaffe Guard #7
- Oliver Monaghan - Luftwaffe Guard #8
- Martin Bassindale - Recent Arrival Kriegie
- Andrew Greaves - Kriegie
- Laurie Davidson - Lt. Nash
- Ncuti Gatwa - Lt. Robert H. Daniels
- Branden Cook - Lt. Alexander Jefferson
- Josiah Cross - Lt. Richard D. Macon
- Sam Hazeldine - Lt. Col. Albert 'Bub' Clark
- Benjamin Dilloway - Lt. Col. Bill Aring
- Jakob Diehl - Popeye
- Euan Shanahan - Vetaran Gunner
- Tian Scott - Lt. Francis Malooly
- Gwïon Morris Jones - Lt. Mark Wilson
- Leon Finnan - Lt. Sherwin Barton
- Lucas Button - Shoen's Navigator
- Corin Silva - Lt. Col. John Bennett
- Jack Parr - Sgt. James Mack
- Robert Hands - Luft. Maj. Gustav Simoleit
- Jerry MacKinnon - Col. Benjamin O. Davis
- Francis Lovehall - Lt. Wendell Pruitt
- Sebastian Griegel - German Soldier
- Jean Baptiste Fillon - Intelligence Officer #1
- Christopher Lakewood - Col. Thomas Jeffrey
- Jonathan Jules - Lt. Shelby F. Westbrook
- Bradley Banton - Lt. Lee 'Buddy' Archer
- Saro Emirze - Hans Scharf
- Luke Christian - Knowing Kriege
- Josh Dylan - George Neithammer
- James Murray - Col. ‘Chick’ Harding
- Marko Leht - Volkov
- Alex Kovas - Russian Soldier #1
- Simonas Mozūra - Russian Soldier #2
- Max Kruk - Frederic
- Freddie Thompson - Karl
- David Nolden - Luftwaffe Guard #1
- Ian Bouillion - Second Lt. Charlton
- Will Masheter - Cpt. Clouter
- Vaslov Goom - Russian Lieutanant
- Alex Batareanu - Russian Mercedes Driver
- Yuri Klimov - Russian General
- Rafael Ferenc - Russian NCO
- Leon Silver - Jewish Refugee
- Callum Booth-Ford - Werwolf #3
- Harvey Hutchinson - Charles Weber
- John Schwab - Lt. Col. James Lann
- Ian Hughes - Michael Flynn
- Donald L. Miller
- Nori Chia
- Nick Cuse
- Bobby Williams
- Tom Hanks
- John Sylva
- Darryl Frank
- Blake Neely
- Jack Whittaker
- Duncan McRae
- Michael Minkler
- Angela Claverie
- Dave McMoyler
Austin Butler interpreta a Maj. Gale 'Buck' Cleven en la serie.
Callum Turner interpreta a Maj. John 'Bucky' Egan en la serie.
Anthony Boyle hace el papel de Lt. Harry Crosby.
Nate Mann hace el papel de Lt. Robert 'Rosie' Rosenthal.
Stephen Campbell Moore interpreta a Maj. 'Red' Bowman en la serie.
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