John Travolta as Zack

Olivia Newton-John as Debbie

Charles Durning as Charlie

Oliver Reed as Beasley

Beatrice Straight as Ruth

Scatman Crothers as Earl

Richard Bright as Stuart

Vincent Bufano as Oscar

Toni Kalem as Terri

James Stevens as Ron

Ernie Hudson as Det. Skaggs

Jack Kehoe as Mr. Chotiner

Robert Costanzo as Capt. Cinzari

Castulo Guerra as Gonzales

Warren Robertson as Self

Deborah Dalton as Angie

Tony Crupi as Det. Bruno

Kurek Ashley as Soho Cop

Jill Andre as Gladys

Ann Travolta as Bank Teller

John Hudkins as Bank Guard

Sheila Frazier as Reporter

Michael Melon as Student

Ellen Whyte as Student

Kitty Muldoon as Student

Michael Aronin as Student

Tony Munafo as Furniture Man

Kathy Bates as Furniture Man's Wife

Tammy Brewer as Loose Lady

Deborra Hampton as Loose Lady

Roxanne Byrd as Loose Lady

Steven Hirsch as Jet Setter

Pamela Bowman as Jet Setter's Date

Jacques Foti as Maitre D'

Ted Grossman as Waiter

Rochelle Kravit as Restaurant Patron

Dee Griffin as Restaurant Patron

Robin Adler as Restaurant Patron

Philip Romano as Restaurant Patron

Richard C. Adams as Restaurant Patron

Donna Guidry as Restaurant Patron

Jeff Lawrence as Restaurant Patron

Gary Woodward as Restaurant Patron

Joe Cirillo as Cop #1

Christopher Loomis as Sarge

Dennis McKenzie as Detective #2

Michael Prince as Judge

Rick DiAngelo as Van Driver

Jerome Michaels as Customer

John Dresden as Bartender

Charlie Picerni as SWAT Officer

Walter Robles as Bum

Gene Hackman as God (voice) (uncredited)

James Stephens as Ron