John Travolta

Tony Manero

Karen Lynn Gorney

Stephanie

Barry Miller

Bobby C.

Joseph Cali

Joey

Paul Pape

Double J.

Donna Pescow

Annette

Bruce Ornstein

Gus

Julie Bovasso

Flo

Martin Shakar

Frank, Jr.

Sam Coppola

Fusco

Denny Dillon

Doreen

Bert Michaels

Pete

Robert Costanzo

Paint Store Customer

Robert Weil

Becker

Fran Drescher

Connie

Murray Moston

Haberdashery Salesman

William Andrews

Detective

Ann Travolta

Pizza Girl

Val Bisoglio

Frank, Sr.

John Badham

Pedestrian #1 (uncredited)

Adrienne King

Dancer (uncredited)