John Travolta as Jack Terry

Nancy Allen as Sally Badina

John Lithgow as Burke

Dennis Franz as Manny Karp

Peter Boyden as Sam

John Aquino as Det. Mackey

John McMartin as Lawrence Henry

Deborah Everton as Hooker

J. Patrick McNamara as Detective at Hospital

Roger Wilson as Coed Lover

Missy Cleveland as Coed Lover

Curt May as Donahue

Lori-Nan Engler as Sue

Barbara Sigel as Girl Lover

David De Felice as Boy Lover

Roberto Lombardi as Train Passenger

Missy Crutchfield as Dancing Coed

Cindy Manion as Dancing Coed

Marcy Bigelman as Ecstatic Coed

Ann Kelly as Studious Coed

Dean Bennett as Campus Guard

John Coppolino Jr. as Maniac

Archie Lang as Mixer

Dave Roberts as Anchorman

Claire Carter as Anchorwoman

Maurice Copeland as Jack Manners

John Hoffmeister as Governor McRyan

Thomas J. McCarthy as Policeman at Hospital

Reginald M. Wallace as Policeman at Hospital

Robert L. Penrose as Hospital Administrator

Larry Woody as Doctor

Dick McGarvin as TV Newscaster

Michael Borghese as Newsdealer

Rossana Fichera as Receptionist

James Jeter as Film Lab Man

Luddy Tramontana as Freddie Corso

Sid Doherty as Cop in Car

Milt Fields as Mobster

Bud Seese as Corrupt Captain

Maureen Sullivan as First Murder Victim

Brian Corrigan as Cop at Karp's Office

Elaine Filoon as Screamer

Robin Sherwood as Betty

Tim Choate as Sailor

B.J. Cyrus as Sailor's Friend

Dave DeAngelis as Sailor's Friend

Thomas Finn as Sailor's Friend

Tony Devon as Sailor's Friend

Henry Cohen as Ambulance Attendant

Bernie Rachelle as Ambulance Attendant

William Tarman as Security Guard

Michael Tearson as Hawker