The Star Trek and X-Men star's films bank an average of $13,568 (£8,665) per cinema on their opening weekend — playing the Hollywood star in the top 25 on a list of Britain's biggest movie stars.
His biggest box office hits were X-Men (2000), X-Men The Last Stand (2006) and Star Trek (1996).
In comparison, Keira Knightley's films only managed $12,815 (£8,161) while Christian Bale did even worse, with an average of $12,506 (£7,986).
We've been weighing up how reliable Hollywood's hottest stars are with data from Box Office Mojo, a website run by IMDB that compiles box office information for thousands of different films.
Click below for Britain's 20 biggest filmstars, according to their box office might
For each actor we've calculated the average takings per cinema during that film's opening weekend — measuring demand for the film. Prices were adjusted for cinema ticket price inflation.
The most bankable British film star was Daniel Day-Lewis, with three Best Actor Oscars under his belt.
However, Lewis was the only male actor in the top five, with women taking the second, third, fourth and fifth places.
Joining Sir Patrick Stewart on the list was his co-star and close friend Sir Ian McKellen, as well as fellow Yorkshire actor Dame Judi Dench.