Bryan Cranston is mourning RJ Mitte after the 34-year-old Breaking Bad actor died on Monday. Cranston described his former co-star as his 'sweet son' and praised the determination with which he lived with cerebral palsy.
Mitte played Walter White Jr, the son of Cranston's character, Walter White, throughout all five seasons of the hit AMC drama. The show aired from 2008 to 2013.