Director William Dieterle's 1956 film biography of classical composer Richard Wagner stars Carlos Thompson, Yvonne De Carlo, Rita Gam, Alan Badel and Valentina Cortese.
| Production | William Dieterle | Producer |
| Directing | William Dieterle | Director |
| Writing | Bertita Harding | Screenplay |
| Writing | Bertita Harding | Novel |
| Sound | Walter Rühland | Sound |
| Costume & Make-Up | Ursula Maes | Costume Design |
| Writing | E.A. Dupont | Screenplay |
| Writing | David T. Chantler | Screenplay |
| Directing | Virgil Hart | Assistant Director |
| Art | Robert Herlth | Art Direction |
| Camera | Ernest Haller | Director of Photography |
| Sound | Frank T. Dyke | Sound |
| Sound | Erich Wolfgang Korngold | Music Supervisor |