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