The stars of the Disney+ show "Percy Jackson and the Olympians," Walker Scobell, Leah Jeffries and Aryan Simhadri, talk about filming the show, wanting to meet Logan Lerman, Jason Mantzoukas and more.

After a decade of waiting, “Percy Jackson and the Olympians” fans will finally get an author-backed screen adaptation of the beloved young adult novels on Dec. 20. The series will arrive on ...