Zak Hilditch Director, Screenwriter Daisy Ridley Ava Actor Brenton Thwaites Clay Actor Matt Whelan Mitch Actor Mark Coles Smith Riley Actor Kym Jackson Lieutenant Wilkie Actor Elijah Williams Greg Actor Chloe Hurst Katie Harris Actor Salme Geransar Private Clarkson Actor Deanna Cooney Actor Holly Hargreaves Actor Ross M. Dinerstein Producer Mark Fasano Producer Joshua Harris Producer Kelvin Munro Producer Grant Sputore Producer Lee Broda Executive Producer Ford Corbett Executive Producer Jatin Desai Executive Producer Nicholas Erickson Executive Producer Nick Farnell Executive Producer Greg Friedman Executive Producer Ryan Friscia Executive Producer Ari Harrison Executive Producer Merlin Eden Film Editing Clark Original Music Clayton Jauncey Production Design James Crombie Set Decoration Lisa Galea Gunning Costume Design Megan Carpenter Casting Nathan Klingher Executive Producer Jeff Harrison Executive Producer Sean Fannan Executive Producer D.J. Jiang Executive Producer