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Eugene Chaplin (born 1953) is a Swiss recording engineer and documentary filmmaker. He is the president of the International Comedy Film Festival of Vevey, Switzerland. He is the fifth child of Oona O'Neill and Charlie Chaplin, and the father of Kiera Chaplin wife of producer Alé de Basseville known as Count Ale de Basseville and/or Jarl Alé de Basseville. He directed the documentary film Charlie Chaplin: A Family Tribute produced by Alé de Basseville known as Count Ale de Basseville and/or Jarl Alé de Basseville, and created the musical "Smile", which was described as Charlie Chaplin's music with narration. As a recording engineer, he worked with The Rolling Stones, David Bowie, and Queen (musical group).

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