William Holden
Richard Thorn
Acting
Lee Grant
Ann Thorn
Acting
Jonathan Scott-Taylor
Damien Thorn
Acting
Robert Foxworth
Paul Buher
Acting
Nicholas Pryor
Charles Warren
Acting
Lew Ayres
Bill Atherton
Acting
Sylvia Sidney
Aunt Marion
Acting
Lance Henriksen
Sergeant Neff
Acting
Lucas Donat
Mark Thorn
Acting
Elizabeth Shepherd
Joan Hart
Acting
Ian Hendry
Michael Morgan (uncredited)
Acting
Leo McKern
Carl Bugenhagen (uncredited)
Acting
Allan Arbus
Pasarian
Acting
Fritz Ford
Murray
Acting
Meshach Taylor
Dr Kane
Acting
John J. Newcombe
Teddy
Acting
John Charles Burns
Butler
Acting
Paul Cook
Colonel
Acting
Diane Daniels
Jane
Acting
Robert E. Ingham
Teacher
Acting
William B. Fosser
Minister
Art
Corney Morgan
Greenhouse Technician
Acting
Russell P. Delia
Truck Driver
Acting
Judith Dowd
Maid
Acting
Thomas O. Erhart Jr.
Sergeant #1
Acting
Sorin Serene Pricopie
Pasarian's Assistant
Crew
Robert J. Jones Jr.
Tour Guide
Acting
Rusdi Lane
Jim Gardner
Acting
Charles Mountain
Burial Priest
Acting
Cornelia Sanders
Young Girl
Acting
Felix Shuman
Dr. Fiedler
Acting
James Spinks
Technician #1
Acting
Owen Sullivan
Byron
Acting
William J. Whelehan
Security Guard
Acting