Obsession

Cliff Robertson

Michael Courtland

Geneviève Bujold

Elizabeth Courtland / Sandra Portinari

John Lithgow

Robert Lasalle

Sylvia Kuumba Williams

Maid

Wanda Blackman

Amy Courtland

J. Patrick McNamara

Third Kidnapper

Stanley J. Reyes

Inspector Brie

Nick Kreiger

Farber

Stocker Fontelieu

Dr. Ellman

Don Hood

Ferguson

Andrea Esterhazy

D'Annunzio

Thomas Carr

Paperboy

Tom Felleghy

Italian Businessman

Nella Simoncini Barbieri

Mrs. Portinari

John Creamer

Justice of the Peace

Regis Cordic

Newscaster

Loraine Despres

Jane

Clyde Ventura

Ticket Agent

Fain M. Cogrove

Secretary

Robert Harper

Man in Airport (uncredited)

Brian De Palma

Director

Vilmos Zsigmond

Director of Photography

Bernard Herrmann

Original Music Composer

Paul Hirsch

Editor

Harry N. Blum

Producer

Robert S. Bremson

Executive Producer

George Litto

Producer

Frank Beetson

Production Manager

Jack Senter

Art Direction

Jerry Wunderlich

Set Decoration

Frank Balchus

Costume Design

Joe Lombardi

Special Effects

Paul B. Clay

Music Editor

Rachel Griffiths

Script Supervisor

Hannah Scheel

Script Supervisor

Dan Sable

Sound Effects Editor

Paul Schrader

Screenplay

Brian De Palma

Story

Bob Bender

Assistant Director

Wiliam Pool

Assistant Director