Oh, to be Prince Caspian. Hey, it worked for “The Chronicles of Narnia” star Ben Barnes, who's now in line for another marquee role, this time in the Warner Bros. and Legendary Pictures’ fantasy tentpole “The Seventh Son,” Variety's Jeff Sneider exclusively reports. Brit thesp is in talks for the project formerly known as “The Spook’s Apprentice,” adapted from Joseph Delaney’s young adult series about a teen who learns about wizardry from a forbidding spook, played by Jeff Bridges.
