Kathy Duncan is a fictional character portrayed by Katherine Sigismund in the TV series Blue Bloods.
In the first episode they appeared in, titled Whistleblowers (season 7), they were 37 years old.
They appear in 1 episodes out of a total of 285 aired so far
Episodes1
Whistleblowers
episode S7.E6 october 2016As Frank contends with a whistleblower within the NYPD who claims to have evidence of abuse of power in the organization, Danny and Baez investigate the case of a woman who was struck by a car under suspicious circumstances.