The Hunger Games Character Guide - Rotten Tomatoes
Castor (Wes Chatham)

Castor is one of the cameramen in Katniss Everdeen's propos crew. He was a Capitol citizen who left to join the rebellion with his brother Pollux, who was made an Avox, having his tongue cut out. He, along with Pollux, Messalla, and Cressida will join Katniss and her crew in the assault on the Capitol.