Stu is asked to rescue scientist Marie Harben's son, being held hostage by East German Communists to prevent her defecting to the West.
| Name | Type | Role | |
|---|---|---|---|
| Paul Savage | Writer | ||
| Konstantin Shayne | Guest Star | ||
| Rudy Dolan | Guest Star | ||
| Martin Brandt | Guest Star | ||
| Robert Boon | Guest Star | ||
| Charles De Vries | Guest Star | ||
| Werner Klemperer | Guest Star | ||
| Ursula Thiess | Guest Star | Dr. Marie Harben | |
| Nora Marlowe | Guest Star | ||
| Norbert Schiller | Guest Star | ||
| Erika Peters | Guest Star | ||
| George Waggner | Director |