![Olivia Newton-John hadn't wanted to play high schooler Sandy, telling producers: "I'm not American, I can't do an American accent. I'm 29, how can be 18?" Read what changed her mind in Olivia Newton-John hadn't wanted to play high schooler Sandy, telling producers: "I'm not American, I can't do an American accent. I'm 29, how can be 18?" Read what changed her mind in](https://people.com/thmb/V3W41qLnYoGrWTHN1rF9OgkdB3o=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc():focal(599x0:601x2)/Olivia-Newton-John-Cover-1-2161f0d53e4a473ea54675190f69f20f.jpg)
Olivia Newton-John hadn't wanted to play high schooler Sandy, telling producers: "I'm not American, I can't do an American accent. I'm 29, how can be 18?" Read what changed her mind in
![Olivia Newton-John: Everything the Grease cast have said after late co-star's death | The Independent Olivia Newton-John: Everything the Grease cast have said after late co-star's death | The Independent](https://static.independent.co.uk/2022/08/09/09/newFile-5.jpg?width=1200)
Olivia Newton-John: Everything the Grease cast have said after late co-star's death | The Independent
![Olivia held John's hand through it': The unlikely story behind Grease's electric soundtrack | The Independent Olivia held John's hand through it': The unlikely story behind Grease's electric soundtrack | The Independent](https://static.independent.co.uk/2022/08/09/13/09130012-7728342a-ac3c-486c-a2b0-f6031d40201b.jpg)
Olivia held John's hand through it': The unlikely story behind Grease's electric soundtrack | The Independent
![Olivia Newton-John and John Travolta reprise their Grease characters for the first time ever | EW.com Olivia Newton-John and John Travolta reprise their Grease characters for the first time ever | EW.com](https://imagesvc.meredithcorp.io/v3/mm/image?url=https%3A%2F%2Fstatic.onecms.io%2Fwp-content%2Fuploads%2Fsites%2F6%2F2019%2F12%2Folivia-newton-john.jpg&q=60)
Olivia Newton-John and John Travolta reprise their Grease characters for the first time ever | EW.com
![How Olivia Newton-John almost turned down Grease - until John Travolta told her a surprising secret | The US Sun How Olivia Newton-John almost turned down Grease - until John Travolta told her a surprising secret | The US Sun](https://www.the-sun.com/wp-content/uploads/sites/6/2022/08/DD-OFF-PLATFORM-ONJ.jpg?strip=all&quality=100&w=1920&h=1080&crop=1)