The vote covers approximately 80 workers at the Denver theme restaurant owned by Trey Parker and Matt Stone Exterior of Casa Bonita in "¡Casa Bonita Mi Amor!" (Photo Credit: MTV) 2 months are filing to unionize with Actors’ Equity and IATSE local 7, workers at Casa Bonita have unanimously vote to approve it, the guilds announced jointly on Friday. 80 workers filed with the NLRB for the election  in October . Actor’s Equity will represent cliff divers, actors, puppeteers and magicians who