The 'G' in SAG stands for GUILD, which is the acronym for the Screen Actors GUILD. The Screen Actors GUILD is a labor union that represents over 160, 000 actors, announcers, broadcast journalists, dancers, DJs, news writers, news editors, program hosts, puppeteers, recording artists, singers, stunt performers, voiceover artists, and other media professionals. It was founded in 1933 and is the largest labor union representing performers in the world.