Renowned US director Francis Ford Coppola believes his harshly criticised science-fiction film Megalopolis offers audiences a unique narrative vastly different from what they are accustomed to seeing. "We're so used to seeing movies that are like other movies because they're financed that way," Coppola told Reuters during a Zoom interview while he was at the Toronto International Film Festival, where the film was also screened. "It's (movies like other movies) always something that's already proven that it will make money.

"It's like a potato chip that you know is habit forming and Megalopolis is new." After debuting this year at the Cannes Film Festival, Coppola's $US120 million ($A175 million) self-funded project is going to be shared with broader audiences when it opens in US cinemas on Friday. While the film will be distributed by Lionsgate, Coppola maintains ownership of the movie.

Adam Driver stars as Cesar Catilina, an architect-scientist who wants to better a fictional version of New York City called New Rome, pitting him against Mayor Franklyn Cicero, played by Giancarlo Esposito, who prizes authority and institutions over change. Catilina falls in love with the mayor's daughter, Julia, played by Game of Thrones' Nathalie Emmanuel, as she helps him work towards his vision and re-ignites his power to stop time. Asked if Megalopolis is an allegory for his film-making journey, the 85-year-old director said "all of my films are".

"When I was young and made The Godfather,.