7.7
/10
J.J. is a fictional character portrayed by Maxwell Jenkins in the TV series Chicago Fire.
In the first episode they appeared in, titled I Will Be Walking (season 4), they were 10 years old.
They appear in 2 episodes out of a total of 252 aired so far

J.J.

by Maxwell Jenkins

character

Episodes2

  • 8.2
    /10

    I Will Be Walking
    episode S4.E19 april 2016
    Casey tries to use his political influence when a high school student is almost killed by a street gang.
  • 8.9
    /10

    The Last One for Mom
    episode S4.E20 april 2016
    Severide watches over Detective Holloway's son while she testifies in court as part of an undercover operation, but he's left to deal with the situation due to an unexpected turn of events.