When Olivia Newton John was cast as Sandy in "Grease" (1978), her character's background had to be changed to accommodate the actress' own background. In the original Broadway musical, Sandy was an all American periodedits : Olivia Newton John as Sandy Olsson GREASE (1978) 50's Sweetheart Swing Dress Olivia Newton John Grease Sandy Costume 2 4 XS #4524 eBay Watch Olivia Newton John Look Back at Her Iconic Grease Outfit See Olivia Newton John's Best Outfits as Sandy in "Grease" PS Fashion I didnt intend for this dress to come out like a Sandy from Grease cosplay, but here we are. : r sewing