Daisy Ridley

Ava

Lee Jankowski

Bus Soldier (as Leeroy Jankowski)

Jennah Bannear

Medic

Isaac Davies

Soldier

Tom McCathie

Scraggly Farmer

David Genat

Desperate Man

Megan Hollier

Farm Girl

Kim Fleming

Briefing Colonel

Joel Jackson

Anxious Bus Volunteer

Salme Geransar

Private Clarkson

Elijah Williams

Greg

Holly Hargreaves

Mrs. Smith

Kym Jackson

Lt. Wilkie

Chloe Hurst

Katie Harris

Matt Whelan

Mitch

Mark Coles Smith

Riley

Brenton Thwaites

Clay

Takia Morrison

Jane (uncredited)