Oona felt it was only natural that she become an actress, since she was the daughter of a playwright and the granddaughter of James O'Neill, a noted theater actor during the late 19th century. Oona traveled to Hollywood in 1942, where she met silent film legend Charles Chaplin at the home of her agent.
Oona Chaplin, 2013 A sua avó Oona O'Neill e o seu avô Charlie Chaplin em 1944. Oona Castilla Chaplin ( Madrid , 4 de junho de 1986 ), ou simplesmente Oona Chaplin , é uma atriz, bailarina e dançarina espanhola, neta do ator britânico Charlie Chaplin e bisneta do dramaturgo norte-americano Eugene O'Neill .
Apr 15, 2016 · According to Jane Scovell's Oona: Living in the Shadows, the actress Joan Collins said that O'Neill "catered" to her fatherly husband with "an almost geishalike deference."
W 2002 grała ponownie na scenie Broadwayu w Eugene O’Neill Theatre w jednoaktowym monologu Short Talks on the Universe w roli Simone. Od 2016 roku odtwarza główną rolę w amerykańskim serialu sensacyjnym Królestwo zwierząt. Życie prywatne. Była dwukrotnie mężatką.