each find they have changed for each other: Danny has become a letterman, and Sandy a greaser girl. The two depart in the Greased Lightnin' car, which takes flight. Cast Principal cast Protagonists John Travolta as Danny Zuko Olivia Newton-John as Sandy Olsson T-Birds Jeff Conaway as Kenickie Barry Pearl as Doody Michael Tucci as Sonny LaTierri Kelly Ward as Putzie Pink Ladies Stockard Channing as Betty Rizzo Didi Conn as Frenchy Jamie Donnelly as Jan Dinah Manoff as Marty Maraschino Secondary cast Students Eddie Deezen as Eugene Felsnic Susan Buckner as Patricia "Patty" Simcox Lorenzo Lamas as Thomas "Tom" Chisum Dennis Cleveland Stewart as Leo "Crater-Face" Balmudo Annette Charles as Charlene "Cha-Cha" DiGregorio School staff Eve Arden as Principal McGee Dody Goodman as Blanche Hodel Sid Caesar as Coach Vince Calhoun Alice Ghostley as Mrs. Murdock Darrell Zwerling as Mr. Lynch Dick Patterson as Mr. Rudie Fannie Flagg as Nurse Wilkins Others Joan Blondell as Vi Frankie Avalon as Teen Angel Edd Byrnes as Vince Fontaine Johnny Contardo and Sha Na Na as Johnny Casino & The Gamblers Ellen Travolta as a Frosty Palace waitress Production Director Randal Kleiser took numerous liberties with the original source material, most notably moving the setting from an urban Chicago setting (based on William Howard Taft High School), as the original musical had been, to a more suburban locale, reflecting his own teenage years at Radnor High School in the suburbs of Philadelphia. He had little control over the musical aspects of the film; his choice of theme song, a composition by Charles Fox and Paul Williams, was overruled when Robert Stigwood and Allan Carr commissioned a song from Stigwood's client Barry Gibb at the last minute. Casting John Travolta had previously worked with Stigwood on Saturday Night Fever, recorded the top-10 hit "Let Her In" in 1976, and had previously appeared as Doody in a touring production of the stage version of Grease. He made a number of casting recommendations that Stigwood ultimately accepted, including suggesting Kleiser (who had never directed a theatrical feature before this but had directed Travolta in the 1976 telefilm The Boy in the Plastic Bubble) as director, and Olivia Newton-John, then known almost exclusively as a multiple Grammy winning pop and country singer, as Sandy. Newton-John had done little acting before this film, with only two film credits (1965's Funny Things Happen Down Under and the little-seen