Fionn Whitehead (Tommy), Tom Glynn-Carney (Peter Dawson), Aneurin Barnard (Gibson), Jack Lowden (Collins), Harry Styles (Alex), James D'Arcy (Lieutenant-Colonel Winnant, BEF) more..., Barry Keoghan (George Mills), Kenneth Branagh (Commander Bolton of the Royal Navy), Cillian Murphy (Shivering Soldier), Mark Rylance (Mr. Dawson), Tom Hardy (Farrier), Michael Caine (Radio Communication (voice)), Billy Howle (Petty Officer), Bobby Lockwood (Seaman on Hospital Ship), Miranda Nolan (Nurse on Destroyer), Kevin Guthrie (A&SH BEF soldier), Brian Vernel (A&SH BEF soldier), Elliott Tittensor (Highlander), Matthew Marsh (Rear-Admiral of the Royal Navy), Jochum ten Haaf (Dutch Trawler Man), Damien Bonnard (French Soldier), Adam Long (Second Lt. Jeffries), Michael Fox (Royal Engineer, BEF), Harry Richardson (Private), Will Attenborough (Lt. Howe of the Royal Navy), James Bloor (Oily Survivor), Paul Riley Fox (British Soldier), Richard Sanderson (Heinkel Spotter), Valiant Michael (Warrant Officer), Johnny Otto (Captain Marshall), Jan-Michael Rosner (British Soldier), Brandon Duracher (Soldier), Samgar Jacobs (Royal Navy), Robby Prinsen (Royal Navy Officer), Simon Ates (British Expeditionary Force Soldier), Caleb Bailey (Soldier), Thomas Millet (French Soldier), Constantin Balsan (French Soldier), Aldo Beqiri (French Soldier), Sander Huisman (British Expeditionary Force Soldier) and others.

Christopher Nolan (Writer), Christopher Nolan (Producer), Emma Thomas (Producer), Hoyte van Hoytema (Director of Photography), Lee Smith (Editor), John Papsidera (Casting), Nathan Crowley (Production Design) more..., Jeffrey Kurland (Costume Design), Richard King (Supervising Sound Editor), Toby Whale (Casting), Toby Britton (Art Direction), Emmanuel Delis (Set Decoration), Kevin Ishioka (Supervising Art Director), Eggert Ketilsson (Supervising Art Director), Guy Belegaud (Construction Coordinator), Joe Ondrejko (Construction Coordinator), Steve Gehrke (Script Supervisor), Sara O'Donnell (Assistant Costume Designer), John Casey (Costume Supervisor), Aurélie Dolbeau (Set Costumer), Emmanuelle Pastre (Set Costumer), R. Adam Chambers (Gaffer), Henry Tirl (Steadicam Operator), Melinda Sue Gordon (Still Photographer), Paul Corbould (Special Effects Supervisor), Charles-Axel Vollard (Special Effects Supervisor), Seda Yilmaz (Visual Effects Coordinator), Mike Chambers (Visual Effects Producer), Matthew Plummer (Visual Effects Producer), Andrew Jackson (Visual Effects Supervisor), Andrew Lockley (Visual Effects Supervisor), Scott R. Fisher (Special Effects Coordinator), Marie Korf (Special Effects Coordinator), Patricia DeHaney (Hair Department Head), Jay Wejebe (Makeup Artist), Eric A. Lewy (First Assistant Editor), Laura Rindner (First Assistant Editor), Hans Zimmer (Original Music Composer), John Bernard (Line Producer), Erwin Godschalk (Line Producer) and others.