5.5
/10
Mattias Groller is a fictional character portrayed by Matthew Brenher in the TV series NCIS.
They appear in 1 episodes out of a total of 467 aired so far

Mattias Groller

by Matthew Brenher

character

Episodes1

  • 7.7
    /10

    Decompressed
    episode S13.E14 february 2016
    The team investigates the murder of a deep-sea diver outside a high-tech decompression chamber where the body and suspects have to stay for four days.