Planet of the Apes was a groundbreaking ... Harrison appeared as Dr. Zira in the makeup test scene (see No. 1, above). When Apes was being cast, Zanuck wanted Harrison to play Nova.

There was little precedent for sequels in 1968, when Planet ... evil and good old-fashioned American optimism — are nowhere to be found in these films. No matter how much the budgets dwindled ...