In Berlin in 1961, an American soldier and a German engineer join forces to build a tunnel under the Berlin Wall in order to smuggle out refugees, including the soldier's East German girlfriend.
You can now watch Berlin Tunnel 21 online on the following streaming providers in the United States.
| Writing | John Gay | Screenplay |
| Camera | Igor Luther | Director of Photography |
| Production | Steve Nicolaides | Producer |
| Directing | Richard Michaels | Director |
| Writing | Donald Lindquist | Book |
| Production | Gerald W. Abrams | Executive Producer |
| Production | Bruce J. Sallan | Executive Producer |
| Sound | Dana Kaproff | Music |
| Editing | Gregory Prange | Editor |
| Art | Jan Schlubach | Production Design |
| Art | Albrecht Konrad | Art Direction |
| Art | Jan Schlubach | Art Direction |
| Costume & Make-Up | Ingrid Zoré | Costume Design |
