Gemma Arterton

Alice

Gugu Mbatha-Raw

Vera

Penelope Wilton

Older Alice

Tom Courtenay

Mr. Sullivan

Lucas Bond

Frank

Dixie Egerickx

Edie

Siân Phillips

Margaret Corey

Amanda Root

Mrs. Lawrence

Jessica Gunning

Mrs. Bassett

David Horovitch

Albert

Martina Laird

Older Vera

Amanda Lawrence

Muriel

David Ajao

Officer

Thomas Coombes

Air Raid Warden

Rakhee Thakrar

Mrs. Evans

Fergal McElherron

Mr. Kearney

Sally Scott

Miss Poskitt

Toby Osmond

Older Frank

Joshua Riley

Freddie

Nimmy March

Mrs. Darling

Aoibhine McFlynn

Cassie

Nina Beagley

Charity Girl

Eden Lawrence

Charity Boy

Dominic McGreevy

Boy 1

Harry Seymour

Boy 2

Casper Allpress

Boy 3

Inesaaiy Kabilan

Martha Evans

Daniel Eghan

Father of Evacuee (uncredited)

Karl Farrer

Charleston Dancer (uncredited)