There aren't any live-action clones in "Star Wars: Episode III - Revenge of the Sith".

The statement is true because in Star Wars Episode III: Revenge of the Sith, the clones are portrayed through the use of CGI (Computer Generated Imagery). This means that the clone troopers seen in the movie are entirely created and animated using computer technology, rather than being portrayed by live-action actors. Therefore, there are no live-action clones in Revenge of the Sith, making the answer to the statement true.