Teenagers did not exist before the 20th century. Not until the early 1950s did the term gain widespread recognition, but "Teenage" offers compelling evidence that teenagers had a tumultuous effect on the previous half-decade.

Ben Whishawas British Boy (voice)
Jena Maloneas American Girl (voice)
Julia Hummeras German Girl (voice)
Ben Rosenfieldas Tommie Scheel
Jessie T. Usheras American Boy (voice)
Alden Ehrenreichas 1940s Teenager