Brosnan returned in 1997's "Tomorrow Never Dies" and 1999's "The World Is Not Enough", which were also successful. In 2002, Brosnan appeared for the fourth time as Bond in "Die Another Day", receiving mixed reviews similarly to the former two, but was a success at the box office. Brosnan himself subsequently criticised many aspects of his fourth Bond movie. During the promotion, he mentioned that he would like to continue his role as James Bond: "I'd like to do another, sure. Connery did six. Six would be a number, then never come back." Brosnan asked Eon Productions, when accepting the role, to be allowed to work on other projects between Bond films. The request was granted, and for every Bond film, Brosnan appeared in at least two other mainstream films, including several he produced, playing a wide range of roles, ranging from a scientist in Tim Burton's "Mars Attacks!", to the title role in "Grey Owl" which documents the life of Englishman Archibald Stansfeld Belaney, one of Canada's first conservationists.