(0 votes, average: 0.00/10)- Country: Germany
- Genres: N/A
- Release: 1929-09-30
- Director: Guido Brignone
- Writers: Viktor Klein , Paul Langenscheidt
- Language: German
- Stars: André Mattoni , Ralph Arthur Roberts , Dolly Grey , Max Maxudian , Max Maximilian , Lydia Potechina , Eva Speyer , Elza Temary , Kurt Vespermann
- Runtime: min
- Awards: N/A
- AKA: L'America interviene (Italy) , Marys großes Geheimnis , Meu Avôzinho! (Portugal, Portuguese Republic) , A kitagadott (Hungary) , Marys großes Geheimnis (Germany)
- Plot: N/A
- IMDB:tt0447282
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Marys großes Geheimnis Cast
Guido Brignone
Director
André Mattoni
Ralph Arthur Roberts
Dolly Grey
Max Maxudian
Max Maximilian
Lydia Potechina
Eva Speyer
Elza Temary
Kurt Vespermann