Marianne Wibberley (June 12, 1965, in California, USA) is an American screenwriter and film producer. Together with her husband Cormac Wibberley, she forms the well-known screenwriting duo The Wibberleys. They have been writing together since 1991 and sold their first screenplay in 1993. She studied at the University of California, Los Angeles (UCLA), where she earned both her bachelor's and master's degrees in film studies. In addition to her work... see more