John Travolta was Born on February 18th 1954. John Travolta, American actor, singer, who had the 1978 UK & US No.1 single with Olivia Newton John, ‘You’re The One That I Want’. The track topped the UK Singles Chart for nine weeks in the summer of 1978 and as of 2008, is still the sixth best-selling single ever in the UK where it has sold over 2,015,000 copies. His mother and his sister Ann appeared as extras in Saturday Night Fever and his sister Ellen appeared as a waitress in Grease.