Allegiance

Synopsis

Halstead and Atwater go under cover to prevent military-grade weapons from hitting the street; Voight calls in a favor to clear Olinsky's name for Bingham's murder.

Guest stars

Steven G. Norfleet

Shabazz

MC

Melissa Carlson

Meredith Olinsky

Michael McGrady

Supervising ASA James Osha

Mykelti Williamson

Denny Woods

LT

Law Tarello

Dan Dietz

JS

Jason Sutton

Ross Gibson