This Islay single malt is without a doubt the best scotch that I have ever sampled. Safe to say Mr. Constantine's taste in whisky is much better than his taste in interior decorators.
The Ardbeg Ten pops up at the 36:45 point in the film. Detective Dodson (Rachel Wiesz) comes knocking at Constantine's (Keanu Reeves') door to ask for his help in finding her sister's killer.
On a side note: Im told the Ardbeg Uigeadail is even better than the Ten. Winner of "Whisky of the Year" 2009.