Police Captain William "Billy" Brown, captain of the First Ward police station.  Loved by the men, and fiercely loyal to them.

Police Lieutenant George Lewis, second in command of the First Ward police station.  A hard working cop.

Sergeant Jimmy Harrigan, a desk sergeant at the First Ward police station. 

Patrolman Luigi Vespacci, car patrol, partner to Gus Peterson.

Patrolman Gus Peterson, car patrol, partner to Luigi Vespacci.

Patrolman John Franklin, honest cop and partner to Officer George Gunnarson, showing him the ropes and teaching him the tricks of the beat cop's trade.

District Commissioner Mario Antonelli, Agent Jeff Poliakowski's boss, possibly corrupt.

Agent Burns and Agent Beck, two honest prohibition agents, suspicious men, possibly even paranoid.

Agent Gino Manzini, new prohibition agent.

Agent Paul Sands, undercover FBI agent, formerly infiltrating the Cody Powers gang.

Stefan Radzu, bank security guard, fought back against the Cody Powers gang.