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Director Hugh Hudson was determined to cast young , unknown actors in all the major roles of the film , and to back them up by using veterans like John Gielgud , Lindsay Anderson , and Ian Holm as their supporting cast .
 person: Hugh Hudson; person: John Gielgud; person: Lindsay Anderson; person: Ian Holm
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Hugh Hudson; person: John Gielgud; person: Lindsay Anderson; person: Ian Holm