Olivia Newton-John as Sandy Olsson

John Travolta as Danny Zuko

Stockard Channing as Betty Rizzo

Jeff Conaway as Kenickie Murdoch

Barry Pearl as Doody

Michael Tucci as Sonny

Kelly Ward as Putzie

Didi Conn as Frenchy

Jamie Donnelly as Jan

Dinah Manoff as Marty Maraschino

Susan Buckner as Patty Simcox

Eve Arden as Principal McGee

Frankie Avalon as Teen Angel

Joan Blondell as Vi

Edd Byrnes as Vince Fontaine

Sid Caesar as Coach Calhoun

Alice Ghostley as Mrs. Murdock

Dody Goodman as Blanche Hodel

Lorenzo Lamas as Tom Chisum

Fannie Flagg as Nurse Wilkins

Dick Patterson as Mr. Rudie

Eddie Deezen as Eugene Felnic

Darrell Zwerling as Mr. Lynch

Ellen Travolta as Waitress

Annette Charles as Cha Cha DiGregorio

Dennis Stewart as Leo 'Craterface' Balmudo

Barbi Alison as Dancer

Helena Andreyko as Dancer

Jennifer Buchanan as Dancer

Carol Culver as Dancer

Cindy DeVore as Dancer

Deborah Fishman as Dancer

Antonia Franceschi as Dancer

Sandra Gray as Dancer

Mimi Lieber as Dancer

Judy Susman as Dancer

Dennis Daniels as Dancer

Larry Dusich as Dancer

John Robert Garrett as Dancer

Daniel Levins as Dancer

Andy Roth as Dancer

Sean Moran as Dancer

Greg Rosatti as Dancer

Lou Spadaccini as Dancer

Andy Tennant as Dancer

Richard Weisman as Dancer

Michael Biehn as Mike (uncredited)

Wendie Jo Sperber as Dancer (uncredited)