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