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.
Lee Marvin
Detective Lt. Frank Ballinger
117 episodes
Paul Newlan
Police Capt. Grey
117 episodes
DeForest Kelley
Police Sgt. Miller
3 episodes
Harry Landers
Torrance
2 episodes
Barney Phillips
Dr. Lester Bowers
2 episodes
Elizabeth Harrower
Walls' Secretary
2 episodes
Bill Erwin
Roger Jessop
2 episodes
William Hudson
Tom Ferris
2 episodes
John Beradino
Detective D'amico
2 episodes
William Phipps
Al 'Bugsy' Page
2 episodes
Death Note
