|
Donald Sutherland......... | Frank Lansing |
| Vanessa Redgrave......... | Heddi Lindquist |
| Richard Widmark............ | Otto Gerran |
| Christopher Lee......... | Professor Lechinski |
| Barbara Parkins........... | Judith Rubin |
| Lloyd Bridges................. | Smithy |
| Lawrence Dane........... | Paul Hartman |
| Michael J. Reynolds........ | Heyter |
| Patricia Collins.......... | Inge Van Zipper |
| Nicholas Cortland......... | Jungbeck |
| Candace O'Connor......... | laboratory assistant |
| August Schellenberg........ | marine technician |
| Bruce Greenwood.......... | technician |
| Joseph Golland............... | meteorological assistant |
| Michael Collins............ | ship's captain |
| Richard Wren............... | radio operator |
| Mark Jones................. | cook |
| Hagan Beggs............... | Larsen |
| Terrence Waterhouse..... | helicoptor pilot |
| Robert Stelmach......... | ship's radio operator |