John from "Dear John"
In "Dear John," Channing Tatum's character is enlisted in the army and involved in a long-distance relationship with Amanda Seyfried's character. She writes him letters while he's overseas, and their relationship is tested when he keeps signing up for more tours rather than coming home and settling down with her.
Glen from "A Nightmare on Elm Street"
One of Johnny Depp's breakout roles was in the classic "A Nightmare on Elm Street." He's killed by the serial killer Freddy Krueger when he falls asleep and the slasher invades his dreams. Though his role is small, it's one that launched Depp into the realm of teenage heartthrobs.