Drawing from early modern plays and treatises on the precepts and practices of the acting process, this study shows how the early modern Spanish actress subscribed to various somatic practices in an effort to prepare for a role. It provides today's reader not only another perspective to the performance aspect of early modern plays, but also a better understanding of how the woman of the theater succeeded in a highly scrutinized profession. Elizabeth Marie Cruz Petersen examines examples of comedias from playwrights such as Lope de Vega, Luis Velez de Guevara, Tirso de Molina, and Ana Caro,...