The entertainment companies are growing optimistic that the work stoppage may end soon, though some issues remain unresolved, people briefed on the matter said.
The SAG-AFTRA union told its members not to dress as characters from major productions and post pictures, which could be seen as promoting the work of companies they are negotiating with.
The sides said they remained far apart on the most significant issues, dealing a blow to hopes that the entertainment industry could soon fully roar back to life.