Pictures show the late lamented actor laughing and joking while on set . Peter O'Toole continued filming despite suffering from a long-term illness . Director Michael Redwood paid tribute to actor 's unique sense of humour . Fall of an Empire : The Story of Katherine of Alexandria hits cinemas April 6 .
Pictures show the late lamented actor laughing and joking while on set . Peter O'Toole continued filming despite suffering from a long-term illness . Director Michael Redwood paid tribute to actor 's unique sense of humour . Fall of an Empire : The Story of Katherine of Alexandria hits cinemas today .