Gemma Arterton as Alice

Gugu Mbatha-Raw as Vera

Penelope Wilton as Older Alice

Tom Courtenay as Mr. Sullivan

Lucas Bond as Frank

Dixie Egerickx as Edie

Siân Phillips as Margaret Corey

Amanda Root as Mrs. Lawrence

Jessica Gunning as Mrs. Bassett

David Horovitch as Albert

Martina Laird as Older Vera

Amanda Lawrence as Muriel

David Ajao as Officer

Thomas Coombes as Air Raid Warden

Rakhee Thakrar as Mrs. Evans

Fergal McElherron as Mr. Kearney

Sally Scott as Miss Poskitt

Toby Osmond as Older Frank

Joshua Riley as Freddie

Nimmy March as Mrs. Darling

Aoibhine McFlynn as Cassie

Nina Beagley as Charity Girl

Eden Lawrence as Charity Boy

Dominic McGreevy as Boy 1

Harry Seymour as Boy 2

Casper Allpress as Boy 3

Inesaaiy Kabilan as Martha Evans

Daniel Eghan as Father of Evacuee (uncredited)

Karl Farrer as Charleston Dancer (uncredited)