"A wealthy New Orleans businessman becomes obsessed with a young woman who resembles his late wife."
Cliff Robertson
as Michael Courtland
Geneviève Bujold
as Elizabeth Courtland / Sandra Portinari
John Lithgow
as Robert Lasalle
Sylvia Kuumba Williams
as Maid
Wanda Blackman
as Amy Courtland
J. Patrick McNamara
as Third Kidnapper
Stanley J. Reyes
as Inspector Brie
Nick Kreiger
as Farber
Stocker Fontelieu
as Dr. Ellman
Don Hood
as Ferguson
Andrea Esterhazy
as D'Annunzio
Thomas Carr
as Paperboy
Tom Felleghy
as Italian Businessman
Nella Simoncini Barbieri
as Mrs. Portinari
John Creamer
as Justice of the Peace
Regis Cordic
as Newscaster
Loraine Despres
as Jane
Clyde Ventura
as Ticket Agent
Fain M. Cogrove
as Secretary
Robert Harper
as 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
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
Dan Sable
Sound Effects Editor
Paul Schrader
Screenplay
Story
Bob Bender
Assistant Director
Wiliam Pool
Frank L. Brown
Set Dresser
David M. Ronne
Sound Mixer
Nick McLean
First Assistant Camera
Deborah Boldt
Assistant Editor
Candace Cruzd
Rachel Ticotin
Production Assistant
Bob Herron
Stunt Coordinator