Quiz: Do you remember these famous resignations? Donald Trump has resigned from the Screen Actors Guild (Sag-Aftra), the union for US performers on film and TV. By Cónal Thomas Friday 5 Feb 2021, 9:30 PM Feb 5th 2021, 9:30 PM 35,300 Views 11 Comments FORMER US PRESIDENT Donald Trump resigned from the Screen Actors Guild (Sag-Aftra), the union for US performers on film and TV, as the union’s leadership began moves to expel him. In a letter dated 4 February 2020 addressed to Gabrielle Carteris, the union’s national president, Trump said: “I write to you today regarding the so-called Disciplinary Committee hearing aimed at revoking my union membership. Who cares!”