The Mouse That Roared

Engaging Ealing-ish comedy about the Duchy of Grand Fenwick, a Lilliputian state which declares war on America on the principle that losers always boom economically. Sellers is brilliant as the graciously melancholy Duchess (less good in his other two impersonations as prime minister and army chief), but the script veers wildly between satire and slapstick. Taking it pretty much as it comes, Arnold (Creature from the Black Lagoon, Incredible Shrinking Man) seems most at home with moments of fantasy like the ten-man invading army's triumphal progress in clanking chain-mail through New York's deserted streets.