| Name | Character | Episodes |
|---|---|---|
| Andrea Rau | Betty McMillan | 26 |
| Marie Versini | Martha Himes | 26 |
| Klausjürgen Wussow | Sergeant Albert Berry 1 | 13 |
| Harald Juhnke | Sergeant Albert Berry 2 | 13 |
| Ivan Desny | William Dulac | 2 |
| Eva Pflug | Cynthia Lester | 1 |
| Eduardo Fajardo | Larry Sandor | 1 |
| Dieter Borsche | Mr. Levine | 1 |
| Günther Stoll | Philipp Martin | 1 |
| Maria Perschy | Eileen | 1 |
| Simone Rethel | Carol Lester | 1 |
| Henning Schlüter | Luchino Parisi | 1 |
| Alfredo Mayo | Ernest Culp | 1 |
| Charly Bravo | Aron Mc Arthur | 1 |
| Dan van Husen | Paul | 1 |
| Elisabeth Volkmann | Mae Sullivan | 1 |
| Nino Korda | Mr. Fattini | 1 |
| Brigitte Skay | Schwedin | 1 |
| Alexander Allerson | Marcello Santone | 1 |
| Horst Naumann | Joe Wallace | 1 |
| Alice Treff | Lady Leverton | 1 |