Katelyn Mager

Katelyn Mager. Actress: Percy Jackson: Sea of Monsters. Since she was 4 years old Katelyn has been winning the hearts of fans in every role that she plays. Now 15 the young beauty has already developed into a 'seasoned actress' with skills well beyond her years. When Katelyn performed the role of the beloved Young Thalia in the feature 'Percy Jackson: Sea of Monsters' (2013), Katelyn was playing a character that...