- F W
Fionn WhiteheadTommy
- T H
Tom HardyFarrier
- M R
Mark RylanceMr. Dawson
- K B
Kenneth BranaghCommander Bolton
- C M
Cillian MurphyShivering Soldier
- B K
Barry KeoghanGeorge
- H S
Harry StylesAlex
- A B
Aneurin BarnardGibson
- D B
Damien BonnardFrench Soldier
- L A
Lee ArmstrongGrenadier
- J B
James BloorIrate Soldier
- T G
Tom Glynn-CarneyPeter
- J L
Jack LowdenCollins
- L T
Luke ThompsonWarrant Officer
- M B
Michel BielFrench Soldier 2
- C B
Constantin BalsanFrench Soldier 3
- B H
Billy HowlePetty Officer
- M C
Mikey CollinsSoldier
- C B
Callum BlakeStretcher Bearer
- D R
Dean RidgeSoldier at the Gap
- B L
Bobby LockwoodAble Seaman
- W A
Will AttenboroughSecond Lieutenant
- T N
Tom NolanLieutenant
- J D
James D'ArcyColonel Winnant
- M M
Matthew MarshRear Admiral
- A L
Adam LongSub-Lieutenant
- M N
Miranda NolanNurse
- B H
Bradley HallSailor
- J C
Jack Cutmore-ScottLifeboat Soldier 1
- B L
Brett LorenziniLifeboat Soldier 2
- M F
Michael FoxEngineer
- B V
Brian VernelHighlander 1
- E T
Elliott TittensorHighlander 2
- K G
Kevin GuthrieHighlander 3
- H R
Harry RichardsonPrivate
- J t
Jochum ten HaafDutch Seaman
- J G
Johnny GibbonJunior Naval Officer
- R S
Richard SandersonHeinkel Spotter
- K H
Kim HartmanStewardess
- C L
Calam LynchDeal Sailor
- C P
Charley Palmer RothwellCorporal
- T G
Tom GillFurious Soldier
- J N
John NolanBlind Man
- B M
Bill MilnerLone Private
- J R
Jack RiddifordSoldier on RN Launch
- H C
Harry CollettBoy
- E R
Eric RichardMan at Railway Window
- M C
Michael CaineVoice on Radio (uncredited)
- J O
Johnny OttoCaptain Marshall (uncredited)
- N H
Nick Howden-SteenstraBritish Soldier (uncredited)
