Dillon played white supremacist Brandy Epps, a penitentiary inmate, in eight episodes of Orange is the New Black in 2016, making them one of the first non-binary gender-identifying actors to be cast in a major television show. They also played a recurring role in season 2 of Showtime's Wall Street drama Billions in 2017. The role they played is a non-binary character, Taylor Mason, a hedge fund intern, who reports state is the first non-binary character on mainstream North American television. Showtime confirmed in April 2017 that Mason would be a regular character in season 3. When submitting their name for an Emmy Award for acting Dillon was allowed to submit for whichever gendered category they wished, and chose "actor" over "actress" because it is a gender neutral word. They received submission for supporting actor. Their effort to clarify the matter for all non-binary people prompted the MTV Movie & TV Awards to combine their gender-segregated categories. They presented the award for Best Actor at the MTV Movie & TV Awards on May 7, 2017.