Miss Lynch - Monica Anderson Patty Simcox - Maureen Dadey Eugene Florczyk - Roger L Johnson Jan - Carla A Colangelo Marty - Cynthia L Sikora Betty Rizzo - Kristan J Kosh Doody - Robert J Phillips Roger - Gary L Kedda Kenickie - David J Widenhofer Sonny La Tierri - John T Carron Frenchy - Nadine M Blaschak Sandy Dumbrowski - Beverly E Anawalt Danny Zuko - John A Johnson III Vince Fontaine - J D Johnson Joanie Casino - Jody L Lee Cha-Cha DiGregorio - Margaret J Dold Teen Angel - Andrew T Yoos