Roselyn Hallett (Understudy) is working with MTC for the first time on Bellwether. Her Bay Area credits include The House of Blue Leaves at Jewel Theatre Company, Home Below Zero at Bay Area Playwrights Festival, Imaginary Love at Hapgood Theatre Company, Killer Joe with Renegade Theatre Experiment, The Glass Menagerie at Pear Avenue Theatre and California Conservatory Theatre, Doubt at New Conservatory Theatre, Under Milk Wood and Translations at Stanford Summer Theater and Mrs. Warren's Profession at Cal Shakes (understudy). Hallett holds degrees in Drama and English from Stanford University.