Emmerich felt that casting well known actors would distract from the realistic feel of the prehistoric setting.

Sniper bullets miss every time, as they do in every action film, but here the hand-held camera work lends a realistic feel.

"I've always liked that sort of realistic feel," he states.

Very detailed watercolor drawings, including real-life places and cities, also contribute to the realistic feel of the series, despite the fact that characters are animals.

He wished for the film to have a realistic feel, and directed his cast to give restrained performances.

When the game was released, it was praised for features such as "large battles give you a realistic feel of warfare".

The inclusion of African Americans in the film and during the filmmaking process added a more realistic urban feel.

And while Cell has the most realistic feel, it seems unlikely that most spies ever do any of these things.

This was to add to the realistic feel of the film.