Since the start in 2003, NCIS has had quite a few guest stars. Do you still remember who was on the series?
NCIS is one of the most popular crime series ever. In addition to the popular characters like "Gibbs" and "Ducky," many famous Hollywood stars have also made guest appearances on the hit show – some even several times. Keeping track of things can be quite difficult.
Do you know NCIS by heart? Then our guest stars quiz shouldn't be a problem for you. Have fun!