Sir Peter Alexander Ustinov (; 16 April 1921 – 28 March 2004) was an English actor, voice actor, writer, dramatist, filmmaker, theatre and opera director, stage designer, screenwriter, comedian, humourist, newspaper and magazine columnist, radio broadcaster and television presenter. He was a fixture on television talk shows and lecture circuits for much of his career. An intellectual and diplomat, he held various academic posts and served as a Goodwill Ambassador for UNICEF and President of the World Federalist Movement.
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Very little of the great cruelty shown by men can really be attributed to cruel instinct. Most of it comes from thoughtlessness or inherited habit.The roots of cruelty, therefore, are not so much strong as widespread.But the time must come when inhumanity protected by custom and thoughtlessness will succumb before humanity championed by thought.