Tahar Rahim as Mohamedou Ould Slahi

Jodie Foster as Nancy Hollander

Benedict Cumberbatch as Lt. Stuart Couch

Shailene Woodley as Teri Duncan

Zachary Levi as Neil Buckland

Langley Kirkwood as Sergeant Sands

Saamer Usmani as Arjun

Corey Johnson as Bill Seidel

Matthew Marsh as General Miller

David Fynn as Kent

André Jacobs as Judge Robertson

Meena Rayann as Wafa

Arthur Falko as Guard

Stevel Marc as Poulson

Robert Hobbs as Captain Collins

Nezar Alderazi as Ramzi

Denis Ménochet as Emmanuel

Alaa Safi as Moroccan Translator / Marseille