Emerson Brooks

Master Chief Mike Nash

Billy Burns

DDA Ben Miller

Darren

DEA Agent Jerry Covington

Eugene Shaw

Thomas Forsythe / The Watcher

Robel Osman

Deputy Alex Doberstein

Moclan

Charlie Robinson

Marine Sniper (uncredited)

Capt. Joseph Meylan

Senior SHIELD Agent

Hadar

Doug Fell

Military Bus Driver

Chuck Phillips

Connelly

Detective

Gunnery Sergeant Hugh Patterson

NBC Reporter (uncredited)

First Soldier

Sgt. Scott's Lawyer

Kaleem

Claudius

FBI Agent Steppes

Terrence

Police Officer

Law Clerk