Sean Keenan is a fictional character portrayed by Harrison Thomas in the TV series Fringe.
In the first episode they appeared in, titled A Better Human Being (season 4), they were 21 years old.
They appear in 1 episodes out of a total of 100 aired
Episodes1
A Better Human Being
episode S4.E13 february 2012As the Fringe team investigates a mentally ill patient who appears to be connected to a series of murders, frightening clues and connections are uncovered that lead Olivia to some shocking revelations.