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