Onder andere met: Cliff Robertson (Michael Courtland), Geneviève Bujold (Elizabeth/Sandra), John Lithgow (Robert Lasalle), Wanda Blackman (Amy Courtland), Stanley J. Reyes (Inspector Brie), Nick Kreiger (Farber), Don Hood (Ferguson), J. Patrick McNamara , Sylvia Kuumba Williams , Tom Felleghy , Stocker Fontelieu (Dr. Ellman)