Cast

 Tyler is our main character, the one the whole movie is focused on not drinking. 

Kara is a supporting character that may have a crush on Tyler, but she is one of his friends. She encourages him to drink.

Tim and Dino are also supporting characters that convince Tyler to drink eventually. They are close friends of his and we see them quite a bit throughout the movie.

Alex, Cami, and some extras are seen through the movie as well. Everyone around him seems to like him a lot and convince him that he’s “cool” and should drink.