Alicia Vikander

Vera Brittain

Kit Harington

Roland Leighton

Taron Egerton

Edward Brittain

Colin Morgan

Victor Richardson

Dominic West

Mr. Brittain

Emily Watson

Mrs. Brittain

Hayley Atwell

Hope Milroy

Anna Chancellor

Mrs. Leighton

Miranda Richardson

Miss Lorimer

Joanna Scanlan

Aunt Belle

Alexandra Roach

Winifred Holtby

Jenn Murray

Dorothy

Henry Garrett

George

Nicholas Le Prevost

Mr Leighton

Nicholas Farrell

Headmaster

Daisy Waterstone

Clare Leighton

Niamh Cusack

Sister Jones

Teresa Churcher

Passenger

Xavier Atkins

Boy on Bicycle

Heather Nicol

Celebrating Nurse

Laura Elsworthy

Nurse Scott

Naomi Everson

Nurse Milton

Jonathan Bailey

Geoffrey

Charlotte Hope

Betty

Josh Taylor

Wounded Solider

Paul Cavendish

Doctor (uncredited)