James Badge Dale as Clyne

Emily Mortimer as Fran Madison

Gonzalo Menendez as Captain Marco Cabrera

Max Martini as Maj. Sessions

Ryan Robbins as Sgt. Comstock

Bruce Greenwood as General Orland

Jimmy Akingbola as Sgt. Steve McFadden

Brian Caspe as Outpost Tech

Clayne Crawford as Sgt. Toll

Ursula Parker as Sari

Louis Ozawa as Sargent Chen

Miklós Bányai as Benson

Dylan Smith as Talbot

James D. Dever as Sgt Robin

Royce Pierreson as Sgt Lilo Diaz

Mark O'Neal as Lewis

Declan Hannigan as Hayden

Narantsogt Tsogtsaikhan as Engineer

Batzorig Tsogbaatar as Weapons Engineer

Philip Bulcock as Sgt. Chris Davis

Peter Schueller as Sigint Tech

Peter J. Chaffey as Jackson

Filip Watermann as Doctor

Mike Bodie as Efrem

Aaron Șerban as Bogdan

András Ábel as Pilot

Zoltan Lörincz as Refugee

Zoltán Téglás as Tank Commander

Thomas Kelly as DoD Executive

Stephen Root as Dr. Mindala

Cory Hardrict as Alessio