* Kiefer Sutherland as George Calderon
* Timothy Bottoms as George Calderon (old)
* Anthony LaPaglia as James Arlington Keach
* Catherine Mary Stewart as Beth Armstrong
* Max von Sydow as Jack Riggs
* Sam Wanamaker as General Hundertwasser / Narrator
* Julie Harris as Dr. Mary Calderon
* Joanna Cassidy as Sally Reed
* John Glover as John Sheridan
* John Hurt as David Worth
* Tom Nolan as John (Age 18)