The actors were unmasked for the show’s opening. Then came questions about whether they were vaccinated

Datebook: As Chanticleers Theatre’s production of “The Four Poster” began its run last month, ticket buyers might have felt reassured by the COVID protocols listed on the Castro Valley community theater’s website. Masks were required for audience members and staff, though the play’s two actors, Rhonda Joy Taylor and Roger Caetano, would perform unmasked.