The Case Against Brooklyn is a 1958 film directed by Paul Wendkos

Paul Wendkos

Paul Wendkos was an American television and film director....

. It stars Darren McGavin

Darren McGavin

Darren McGavin was an American actor best known for playing the title role in the television horror series Kolchak: The Night Stalker and his portrayal in the film A Christmas Story of the grumpy father given to bursts of profanity that he never realizes his son overhears...

 and Margaret Hayes

Margaret Hayes

Margaret Hayes was an American film and television actress.Born December 5, 1916 Florette Regina Ottenheimer in Baltimore, Maryland, she was often billed as Maggie Hayes in her film credits. She is perhaps best known for her role as Lois Judby Hammond in the film Blackboard Jungle...

. It was based on a True Magazine

True (magazine)

True, also known as True, The Man's Magazine, was published by Fawcett Publications from 1937 until 1974. Known as True, A Man's Magazine in the 1930s, it was labeled True, #1 Man's Magazine in the 1960s. Petersen Publishing took over with the January 1975, issue...

article I Broke the Brooklyn Graft Scandal by crime reporter Ed Reid. It featured depictions of American police corruption though no police officer in uniform is shown to be corrupt.

Plot

Ex-Marine Pete Harris, formerly with Military Intelligence

Military intelligence

Military intelligence is a military discipline that exploits a number of information collection and analysis approaches to provide guidance and direction to commanders in support of their decisions....

 is taken out of his Police Academy due to his experience to work undercover to investigate police corruption.

Cast

• Darren McGavin
  Darren McGavin
  Darren McGavin was an American actor best known for playing the title role in the television horror series Kolchak: The Night Stalker and his portrayal in the film A Christmas Story of the grumpy father given to bursts of profanity that he never realizes his son overhears...
  
   as Pete Harris
• Margaret Hayes
  Margaret Hayes
  Margaret Hayes was an American film and television actress.Born December 5, 1916 Florette Regina Ottenheimer in Baltimore, Maryland, she was often billed as Maggie Hayes in her film credits. She is perhaps best known for her role as Lois Judby Hammond in the film Blackboard Jungle...
  
   as Lil Polombo née Alexander
• Warren Stevens
  Warren Stevens
  Warren Stevens is an American stage, screen, and television actor.Born in Clarks Summit, Pennsylvania, Stevens began his acting career after serving in the U.S. Army Air Force as a pilot during World War II. He trained at The Actor's Studio in New York, received notice on Broadway, and thereafter...
  
   as Rudi Franklin
• Peggy McCay
  Peggy McCay
  Peggy McCay is a long-time American actress with a career lasting over sixty years in film and television...
  
   as Mrs. Jane Harris
• Tol Avery
  Tol Avery
  Tol Avery was an American film and television character actor with more than a hundred screen appearances between 1950 and 1974...
  
  as Dist. Atty. Michael W. Norris