From computer-generated imagery (CGI) to expensive acting talent, creating movie magic doesn't come cheap.

From Oscar nominee Avatar: The Way of Water to the Star Wars saga, read on to discover the most expensive films of all time, why they cost so much to make, and whether their box office gross made them worth the money.

All dollar amounts in US dollars and all currency conversions reflective of the time of the film's release. Please note the cost figures only include production costs, not marketing and other post-production costs.

The most expensive movies ever filmed and how much money they made