Tom Cruise apparently lost his trademark grin after learning that a new medical strain of marijuana has been named in his honour.

Ironically, given the actor’s alleged reaction to the news, the brand of hallucinogenic bud - marketed as ‘Tom Cruise Purple’ - is reportedly on sale at California cannabis clubs in packaging featuring a picture of Cruise laughing hysterically.

The NY Daily News’ Rush & Molloy column quotes one Cruise friend as finding the whole thing "outrageous."

Meanwhile, his lawyers are believed to be looking into the matter.

As a Scientologist, Tom is firmly opposed to the use of psychotropic drugs.