Lt. Frank Ballinger is a no-nonsense plain clothes cop in the elite M Squad Division. The Squad's task is to root out organised crime and corruption in America's Second City, Chicago.
38 episodes
40 episodes
39 episodes
Lee Marvin
Detective Lt. Frank Ballinger
Paul Newlan
Police Capt. Grey
8.2
7.1
8.5
7.5
7.2
6.3
