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Onlooker is a fictional character portrayed by Joseph L. Allen in the TV series Chicago Fire.
They appear in 2 episodes out of a total of 252 aired so far
Onlooker is also portrayed by Shelly Cassin.

Onlooker

by Joseph L. Allen

character

Episodes2

  • 8.3
    /10

    An Agent of the Machine
    episode S5.E12 february 2017
    A dangerous man is after Casey for an incident during a fire call.
  • 9
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    Deathtrap
    episode S5.E15 march 2017
    Firehouse 51 responds to the scene of a blaze that puts many lives in danger, including someone related to a Chicago police officer.