An Italian adaptation of the Richard Wagner opera Lohengrin, where a woman prays for a saviour, and receives it in the form of the title character, a man who will marry her and stay by her if she never asks him his name.
| Actor | Role |
|---|---|
| AAntonio CassinelliLohengrin | Lohengrin |
 Jacqueline PlessisElsa | Elsa |
| GGiampiero MalaspinaTetramondo | Tetramondo |
| IInge BorgOrtruda | Ortruda |
| AAttilio OrtolaniRe | Re |
| GGiulio OppiRe Enrico | Re Enrico |
 Nino MarchesiniNot listed | Not listed |
| GGiovanni De DominisIvan Miriev | Ivan Miriev |
 Leonardo SeveriniNot listed | Not listed |
| GGiuseppe ModestiL'araldo | L'araldo |
| EElena NicolaiOrtruda (singing voice) | Ortruda (singing voice) |
| GGiacinto PrandelliLohengrin (singing voice) | Lohengrin (singing voice) |
 Renata TebaldiElsa (singing voice) | Elsa (singing voice) |