What a difference a year makes. If you were to imagine yourself on this very same day 12 months ago and the name Oscar Isaac was mentioned, your first response would likely be: Who? Now the 33-year-old Guatemala native—previously best known for playing second banana to Ryan Gosling in Drive—is poised to be baptized into the circle of Hollywood’s Leading Men with the titular role in the Coen brothers’ buzzy new film, Inside Llewyn Davis.

As we enter into the final stretch of a year that has shown us the resurrection of Superman and the death of Walter White, we’re looking ahead to the future, at 10 Actors Who Have Gone From Supporting Role To Leading Man In 2013.