A big part of being an actor is changing your appearance to reflect that of the character you're portraying. That's especially so for the cast of the new CW series, Riverdale. The characters in the show are all based off of ones in the iconic Archie comic book series, which means that they have very specific looks the real-life actors are trying to show us.
For example, Archie himself stands out with bright red hair, while Betty's bright blonde locks are as much a part of her character as her entire girl-next-door style. That means the stars cast in these roles had to change up their own hair for the job, and some of their makeovers are pretty dramatic.
Click through the gallery to see which cast members changed their hairstyle for the show, and get their thoughts on the big changes. Then, let us know which star you think had the biggest transformation by commenting below.
Of course, you know Archie Andrews as an iconic redhead, but actor K.J. Apa had to dye his hair for the role! Click the arrow to see what he had to say about it.