A WWII OSS veteran and LAPD Sergeant appointed by Chief Parker to lead a covert unit targeting crime boss Mickey Cohen. He recruits fellow veterans, oversees operations like bugging Cohen's mansion, and survives an attack on his home where his wife gives birth. He leads the final arrest, defeats Cohen in a brutal bare-knuckle brawl, and quits the force to raise his child.
The protagonist directly opposes Cohen's corrupt criminal rule.
John O'Mara leads the covert campaign against Mickey Cohen's criminal empire and ultimately defeats him in a bare-knuckle fight before his arrest.
Kennard is one of O'Mara's key operational partners.
Max Kennard is recruited into O'Mara's covert unit and takes part in the final operation at the Park Plaza Hotel.
Parker authorizes and commands O'Mara's special mission.
Chief Bill Parker creates the covert unit and appoints Sergeant John O'Mara to lead it.
Harris serves as a field member of O'Mara's squad.
Coleman Harris is recruited as one of the incorruptible officers in O'Mara's covert unit and participates in its campaigns against Cohen.
O'Mara compels Carter to provide legal authorization.
John O'Mara forces the crooked Judge Carter to sign an arrest warrant before leading the squad to arrest Mickey Cohen.
Faraday's testimony strengthens O'Mara's case against Cohen.
Grace Faraday offers to testify against Cohen, supporting O'Mara's effort to secure his arrest.
Explore the full interactive character relationship map of Gangster Squad