Well somebody needs to straighten him out about that.
Apparently, he got captivated by the Islamic call to prayer while filming Taken 2 in Istanbul:
http://www.irishmirror.ie/showbiz/irish-showbiz/laim-neesons-taken-islam-afraid-3183331
Assuming the article is legitimate...how spiritually bereft do you have to be to want to convert just because of that?