Cliff Robertson
Michael Courtland
Geneviève Bujold
Elizabeth Courtland
John Lithgow
Robert Lasalle
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
Regis Cordic
Newscaster
Loraine Despres
Jane
Clyde Ventura
Ticket Agent
Fain M. Cogrove
Secretary
Robert Harper
Man in Airport (uncredited)