Prince Caspian Filming Near Glenorchy writes that Ben Barnes (Caspian) is currently involved in filming around Queenstown: Meanwhile, newcomer to the big screen UK actor Ben Barnes has been in the resort for the past few weeks for the filming of The Chronicles of Narnia: Prince Caspian. Barnes, 25, is a veteran of the stage and best known for his role in The History Boys for London’s National Theatre Company, but is taking a break from theatre to play the movie’s title character, Prince Caspian. Barnes said filming near Glenorchy would continue for another couple of weeks before moving overseas.