| Actor | Role |
|---|---|
 Elfriede KuzmanyAnn Shankland / Sibyl Railton-Bell | Ann Shankland / Sibyl Railton-Bell |
 Günther UngeheuerJohn Malcolm / Major Pollock | John Malcolm / Major Pollock |
 Susi NicolettiMrs. Railton-Bell | Mrs. Railton-Bell |
| NNora MinorLady Matheson | Lady Matheson |
 Carl LangeMr. Fowler | Mr. Fowler |
| IInge SchmidtMiss Meacham | Miss Meacham |
 Johanna ThimigDoreen | Doreen |
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