Cast of Guinevere

Guinevere features a talented cast of actors and actresses. Sarah Polley portrays Harper Sloane, Stephen Rea takes on the role of Connie Fitzpatrick, Jean Smart brings Deborah Sloane to life, Gina Gershon plays Billie, Paul Dooley takes on the character of Walter, Carrie Preston portrays Patty, Tracy Letts brings Zack to the screen, and Emily Procter embodies Susan Sloane. The most popular cast member today is Sarah Polley, Harper Sloane.