SAG-AFTRA members went on strike on July 14, joining film and television writers in the first dual work stoppage in Hollywood in 63 years.
The actors’ union has asked for a requirement that studios obtain consent to use a star’s digital image, among other protections.
Actors also are seeking higher pay, saying the rise of streaming television has limited their earnings.
“We will not have you take away our right to work and earn a decent living,” Cranston said in his remarks directed at Iger. “And lastly, and most importantly, we will not allow you to take away our dignity.”