The union reached a tentative agreement with studios and producers on Wednesday, after nearly four months on strike.
This is the first time the Primetime Emmys broadcast has been postponed in over two decades.
The actor addressed the strikes by the Screen Actors Guild and the Writers Guild of America in an Instagram post dedicated to his longtime acting coach.
Mike Massa roasted the AMPTP online afterward, saying he was sick of “being burned” by studios and producers.
Johnson’s donation to SAG-AFTRA will reportedly help 7,000 to 10,000 of his fellow union members.
The Game of Thrones prequel series is going ahead with production even as most other film and TV sets have gone dark.
Star Kimiko Glenn talked about cast members' low wages in a TikTok addressing the current SAG-AFTRA actors strike.
There were recent calls for the former US president to be digitally edited out of the 1992 movie sequel.