By Marcy Kahan. In Los Angeles last month, three actors recreated a crucial hour in cinema history - when Orson Welles delivered his verdict on the screenplay for `Citizen Kane'. At stake is the credit for the film, being written by Herman J Mankiewicz and overseen by John Houseman. With Stanley Kamel, David Ogden Stiers and William Hootkins. Director Ned Chaillet. Harris.