Dangerous secrets are revealed when a devoted widow travels to the glacier in Switzerland where her husband's body has been preserved since his deadly fall forty years earlier.
| Name | Type | Role | |
|---|---|---|---|
| A.E.W. Mason | Writer | ||
| Stirling Silliphant | Writer | ||
| Otto Reichow | Guest Star | ||
| Patricia Owens | Guest Star | ||
| James Donald | Guest Star | ||
| Ben Astar | Guest Star | ||
| Frank Holms | Guest Star | ||
| Patrick Macnee | Guest Star | ||
| Eileen Anderson | Guest Star | ||
| Harold Dyrenforth | Guest Star | ||
| Werner Klemperer | Guest Star | ||
| Alfred Hitchcock | Director |