Grease Characters
• Danny Zuko – The protagonist. Handsome, cocky leader of the T-Birds. Can be mean in order to "be cool", although he is really kind.
• Sandy Dumbrowski – New in town, a wholesome, pure, kind, clumsy, and innocent girl. T-Birds
• Kenickie – The tough and rude, though considerate, second-in-command. Love interest for Rizzo.
• Doody – The youngest member; generally foolish, and gullible. • Sonny – An obnoxious yet tricky member of the T-Birds; funny Italian-American; "Wise Guy".
• Roger – A jolly prankster who loves "putting people on". He loves Jan and goes by the nickname "Rump". The Pink Ladies
• Betty Rizzo – Tough and sarcastic, though vulnerable leader of the Pink Ladies; does not like to hang out with Sandy because she is not tough enough. Smokes, drinks, and does not care what others think of her. Rizzo is also a girl with a "reputation".
• Frenchy – Fun-loving and foolish but very friendly member of the Pink Ladies; dropped out of high school to enter Beauty School; a little light-headed and unsure of what to do. Cares a lot about her appearance.
• Marty – Called the "beauty" in most production scripts. Most attractive member of the Pink Ladies; tries to act sophisticated. She likes older guys.
• Jan – Funny, loud, and awkward member of the Pink Ladies. Loud and pushy around girls, but sweet around boys.
Other cast members:
• Miss Lynch – A loud, no-nonsense, serious, English teacher. • Eugene Florczyk – A silly, pompous but gullible, and bullied nerd. • Patty Simcox – A pretty, peppy, cheerleader, and perky. She's a bit of a pain and unpopular with the Pink Ladies; nominated for Student council.
• Vince Fontaine – An egotistical, slimy radio disk jockey (host of a TV show similar to American Bandstand in the film version) trying to relive his teenage years.
• Johnny Casino – All-American, rock-star student at Rydell High, whose real name is "Clarence". Also a greaser.
• Charlene "Cha-Cha" DiGregorio - Apparently the best dancer at St. Bernadette's; wins the dancing competition with Danny. Homely, pervy, and arrogant. Traditionally, the actress who plays Cha-Cha doubles as the Radio Singer accompanying Sandy during the song, "It's Raining on Prom Night".