Synopsis and details
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.
Seasons and episodes
Season 1
38 Episodes · 1957-09-20
Season 2
40 Episodes · 1958-09-19
Season 3
39 Episodes · 1959-09-18
Cast
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