Cast & crew
Streng geheim (1975)
Directed by Thomas Engel
Cast
| Karin Anselm | Vaughan |
| Ulrich Beiger | "Bland" |
| Peter Bongartz | Toni |
| Ivan Desny | Anton Grubitz |
| Hans Jürgen Diedrich | Lancelot |
| Benno Hoffmann | Sam |
| Nino Korda | Al Wilmington |
| Thomas Reiner | Purdie |
| Hans Richter | Blythe |
| Jürgen Scheller | Albert Kropp |
| Nikolaus Schilling | Budge |
| Henning Schlüter | Aubrey |
Crew
| Thomas Engel | Director |