India, Oct. 13 -- RJ Mitte, best known for playing Walter White Jr. in Breaking Bad, made an early television appearance alongside Miley Cyrus in Hannah Montana in 2007, years before gaining recognition for his performance in the acclaimed crime drama. The actor and disability rights advocate has died at the age of 34, his representatives announced.

RJ Mitte's brief appearance in Hannah Montana

Before becoming a familiar face on television, Mitte appeared as an extra in the Hannah Montana episode titled "Schooly Bully". The episode featured Cyrus as Miley Stewart, whose character faces bullying from a new girl at school.

Mitte was credited as "School Jock" on IMDb and appeared as a bystander in the episode. He wore a blue letterman jacke...