Donald Sutherl...
as
Frank Lansing
Vanessa Redgra...
as
Heddi Lindquist
Richard Widmark
as
Otto Gerran
Christopher Lee
as
Lechinski
Barbara Parkins
as
Judith Rubin
Lloyd Bridges
as
Smithy
Lawrence Dane
as
Paul Hartman
Patricia Colli...
as
Inge Van Zipper
Michael J. Rey...
as
Heyter
Nicholas Cortl...
as
Jungbeck
August Schelle...
as
Marine Technic...
Candace O'Conn...
as
Laboratory Ass...
Joseph Golland
as
Meteorological...
Bruce Greenwood
as
Technician (To...
Richard Wren
as
Radio Operator
Hagan Beggs
as
Larsen
Michael Collins
as
Ship's Captain
Robert Stelmach
as
Ship's Radio O...
Terry Waterhou...
as
Helicopter Cre...
Mark Jones
as
Cook