John Travolta as Tony Manero

Karen Lynn Gorney as Stephanie

Barry Miller as Bobby C.

Joseph Cali as Joey

Paul Pape as Double J.

Donna Pescow as Annette

Bruce Ornstein as Gus

Julie Bovasso as Flo

Martin Shakar as Frank, Jr.

Sam Coppola as Fusco

Nina Hansen as Grandmother

Lisa Peluso as Linda

Denny Dillon as Doreen

Bert Michaels as Pete

Robert Costanzo as Paint Store Customer

Robert Weil as Becker

Shelly Batt as Girl in Disco

Fran Drescher as Connie

Donald Gantry as Jay Langhart

Murray Moston as Haberdashery Salesman

William Andrews as Detective

Ann Travolta as Pizza Girl

Helen Travolta as Lady in Paint Store

Ellen March as Bartender

Monti Rock III as The Deejay

Val Bisoglio as Frank, Sr.

John Badham as Pedestrian #1 (uncredited)

Adrienne King as Dancer (uncredited)