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Katherine Brennan
Name: Katherine Brennan
Profession: Police Officer
Rank: Deputy Superintendent
Status: Incarcerated
Cause of departure: Arrested for the murder of Brian Kelton
Portrayed by: Anne Heche
First episode: P.D.: New Normal
Last episode: P.D.: Doubt

Katherine Brennan was a Deputy Superintendent in Chicago P.D..


Deputy Superintendent Katherine Brennan is smart, to the point and political, but often self-serving. A cunning and formidable opponent, she always keeps her wits about her. She was arrested for the murder of Chicago Police Superintendent Brian Kelton.


Chicago P.D.
Seasons Season 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9
Current characters Hank VoightJay HalsteadHailey UptonKim BurgessAdam RuzekKevin AtwaterTrudy Platt
Former characters Sheldon JinSean RomanErin LindsayAlvin OlinskyAntonio DawsonVanessa Rojas