He went on to complain about media intrusion into the private lives of actors and actresses, which, he says, often overshadows their professional work.
"Now even the art of film criticism... Now in the LA Times, the critic who reviewed Bad Lieutenant: Port of Call New Orleans, incorporated how many homes I bought or sold into the review," he said.
"What the hell does Lindsay Lohan's personal life have to do with her performance in The Canyons? It should always be about the work itself. What difference does it make if Bill Clinton had an affair - how does that affect his performance as President?
"In my opinion, I don't want to see personal aspects of someone's life eclipse the work itself."
Like it or loathe it, however, it was probably Cage's celebrity that drew the crowds to his appearance, rather than his performance in new movie Joe.
The event was held at the festival as part of the promotional duties for the film, in which he plays a former convict attempting to live a cleaner life.
Other stars to attract attention because they are famous at the event included Girls creator Lena Dunham, who gave a keynote speech on Monday.
And Justin Bieber, who made a surprise appearance to perform his song Boyfriend, which he dedicated to his "baby", Selena Gomez.
- Independent
