As long as the crowds keep coming, Will Smith will be ready to walk down the red carpet to promote his latest movie.

Two months after I, Robot opened in the United States, he was in Tokyo for yet another.

"When people are enjoying the movie, you don't ever want to stop doing premieres," the actor-rapper said. "You want to be going to different cities and countries and continents all over the globe. We have another one in South Africa."

In I, Robot, Smith plays a detective in 2035 who suspects a robot has murdered the reclusive scientist responsible for technological innovations that have populated the world with machine servants vaguely resembling humans.