Does Liam Neeson know martial arts in real life?

Yes. Martial arts is literally the art of fighting. The characters he is portraying in his movies use martial arts therefore although he may or may not be deeply trained in the art of fighting, he has mastered every move his character acted out and could easily perform any of those moves in a real world defensive situation. read more

Liam Neeson plays martial arts role in movies. But does not know martial arts in real life. read more

* All of the action scenes were pre-choreographed and Liam used his knowledge that he gained from the French instructor to film the scenes. Just to validate my reasoning, I have found an interview featuring Liam himself. He specifically stated that he does not any martial arts what so ever. read more