A Russian astronaut trapped in space in a faulty rocket, has five hours to live when his radio makes contact with Marie, a hunter's wife also trapped, in a blizzard swept area of Canada. Her daughter is dying of diphtheria, he as a doctor can help her.
| Actor | Role |
|---|---|
 Patrick McGoohanThe Man - Nicholai Soloviov | The Man - Nicholai Soloviov |
 Katharine BlakeMarie | Marie |
 Clifford EvansGeneral | General |
 Jack WatsonColonel | Colonel |
 Marne MaitlandDeputy Commander | Deputy Commander |