Fred Engel's father is murdered by Colonel Brinkley in order to acquire a treasure map, however the Colonel only acquires half of it, the other half as held by Mrs. Butler. Discovering the scene of the crime, Old Shatterhand and Winnetou help Fred bring his father's murderer to justice and locate the treasure of Silver Lake.
Unfortunately the movie Treasure of Silver Lake is not yet available on HBO Max.
| Production | Erwin Gitt | Producer |
| Production | Horst Wendlandt | Producer |
| Editing | Hermann Haller | Editor |
| Writing | Harald G. Petersson | Screenplay |
| Writing | Karl May | Novel |
| Sound | Martin Böttcher | Original Music Composer |
| Directing | Harald Reinl | Director |
| Camera | Ernst W. Kalinke | Director of Photography |
| Production | Zvonko Kovačić | Producer |
| Costume & Make-Up | Charlotte Kersten | Makeup Artist |
| Crew | Erwin Lange | Special Effects |
| Costume & Make-Up | Willi Nixdorf | Makeup Artist |
| Directing | Radenko Ostojić | Second Unit Director |
| Production | Gerhard F. Hummel | Consulting Accountant |
| Costume & Make-Up | Irms Pauli | Costume Consultant |
| Directing | Charles M. Wakefield | Assistant Director |
| Production | Stipe Gurdulić | Production Manager |
| Production | Erich Schütze | Production Accountant |
| Sound | Erik Molnar | Sound |
| Production | Leif Feilberg | Production Manager |
| Directing | Slavko Andreš | Assistant Director |
| Production | Erwin Dräger | Unit Production Manager |
| Camera | Lothar Winkler | Still Photographer |
| Camera | Richard Bergmayer | Assistant Camera |
| Camera | Branko Ivatović | Second Unit Director of Photography |
| Camera | Evo Dycke | Camera Operator |
| Art | Dušan Jeričević | Production Design |
| Costume & Make-Up | Irms Pauli | Costume Design |
