India, Oct. 13 -- Breaking Bad actor RJ Mitte's death at the age of 34 has left fans and co-stars mourning the loss of the actor. Bryan Cranston, who played his father in the acclaimed crime drama, paid an emotional tribute to his co-star, remembering his journey from a teenager on the show's set to an actor and disability rights advocate.

On Monday, Bryan took to Instagram to share a picture with Mitte and express his grief. He wrote, "I'm in deep despair as I write this tonight. RJ Mitte, my sweet son on Breaking Bad has died. I met him when he was only 14 years old when he was cast as Walter White Jr., a part he played with such joy and enthusiasm. Born with Cerebral Palsy, he never - ever - allowed that challenge to be an excuse for ...