Cast
Donald Sutherland
Frank Lansing
Vanessa Redgrave
Heddi Lindquist
Richard Widmark
Otto Gerran
Christopher Lee
Lechinski
Barbara Parkins
Judith Rubin
Lloyd Bridges
Smithy
Lawrence Dane
Paul Hartman
Patricia Collins
Inge Van Zipper
Michael J. Reynolds
Heyter
Nicholas Cortland
Jungbeck
August Schellenberg
Marine Technician
Candace O'Connor
Laboratory Assistant
Joseph Golland
Meteorological Assistant
Bruce Greenwood
Technician (Tommy)
Richard Wren
Radio Operator
