Cillian Murphy, Harry Styles, and Barry Keoghan at an event for Dunkirk (2017)

Cillian Murphy, Harry Styles, and Fionn Whitehead at an event for Dunkirk (2017)

Kenneth Branagh, Tom Hardy, Cillian Murphy, Mark Rylance, and Prince Harry at an event for Dunkirk (2017)

Tom Hardy, Mark Rylance, and Prince Harry at an event for Dunkirk (2017)

Tom Hardy and Christopher Nolan at an event for Dunkirk (2017)

Mark Rayner, Elliott Tittensor, Kevin Guthrie, Mark Fichera, Aneurin Barnard, Damien Bonnard, Harry Styles, Brian Vernel, James Bloor, Fionn Whitehead, and RJ Casey in Dunkirk (2017)

Mark Rylance and Barry Keoghan in Dunkirk (2017)

Mark Rayner, Mark Fichera, Aneurin Barnard, Harry Styles, Brian Vernel, Fionn Whitehead, and RJ Casey in Dunkirk (2017)

Kenneth Branagh and James D'Arcy in Dunkirk (2017)

Cillian Murphy and Tom Glynn-Carney in Dunkirk (2017)

Aneurin Barnard, Harry Styles, and Fionn Whitehead in Dunkirk (2017)

Christopher Nolan at an event for Dunkirk (2017)