Allegiance star Gavin Stenhouse has been cast as the male lead opposite Christina Ricci in Amazon’s drama pilot Zelda. The project, executive produced by Christine Vachon, Dawn Prestwich & Nicole Yorkin, Pam Koffler and Ricci, is about celebrated American novelist Zelda Fitzgerald (Ricci), wife of The Great Gatsby author F. Scott Fitzgerald (Stenhouse). The pilot, directed by Tim Blake Nelson, will start filming  soon in Savannah, Georgia. Hong Kong-born English actor Stenhouse is repped by Joanne Horowitz Management and Gersh.