Olivia Newton-John
Sandy Olsson

John Travolta
Danny Zuko

Stockard Channing
Betty Rizzo

Jeff Conaway
Kenickie Murdoch

Barry Pearl
Doody

Michael Tucci
Sonny

Kelly Ward
Putzie

Didi Conn
Frenchy

Jamie Donnelly
Jan

Dinah Manoff
Marty Maraschino

Susan Buckner
Patty Simcox

Eve Arden
Principal McGee

Frankie Avalon
Teen Angel

Joan Blondell
Vi

Edd Byrnes
Vince Fontaine

Sid Caesar
Coach Calhoun

Alice Ghostley
Mrs. Murdock

Dody Goodman
Blanche Hodel

Lorenzo Lamas
Tom Chisum

Fannie Flagg
Nurse Wilkins

Dick Patterson
Mr. Rudie

Eddie Deezen
Eugene Felnic

Darrell Zwerling
Mr. Lynch

Ellen Travolta
Waitress

Annette Charles
Cha Cha DiGregorio

Dennis Stewart
Leo 'Craterface' Balmudo

Antonia Franceschi
Dancer

Mimi Lieber
Dancer

Sean Moran
Dancer

Andy Tennant
Dancer

Michael Biehn
Mike (uncredited)

Wendie Jo Sperber
Dancer (uncredited)