Leonardo DiCaprio, Steven Spielberg, John Lasseter, Brad Pitt and George Clooney also appear on the Guardian's Film Power 100 rundown.
Director James Cameron has fought off competition from his "Titanic" star Leonardo DiCaprio to be named the most influential man in Hollywood. The "Avatar" moviemaker topped the Film Power 100 rundown in British newspaper the Guardian, leaving DiCaprio trailing in third.
"Jurassic Park" director Steven Spielberg came in second and Disney/Pixar executive John Lasseter was voted into fourth place. Hollywood hunk Brad Pitt rounded out the top five, while his pal George Clooney was named the ninth most powerful movie man.
"The Dark Knight" director Christopher Nolan, producer Scott Rudin, Quentin Tarantino and Britain's culture minister Ed Vaizey made up the rest of the top 10.
Previously, James Cameron has been tipped to become a billionaire by 2015 in a new Forbes magazine survey along with comedian Jerry Seinfeld, hip-hop mogul Jay-Z and golfer Tiger Woods. The filmmaker is also set to receive Milestone Award from Producers Guild of America.