Vivacious Lady
(Original title)
Ardid femenino
Argentina
Vivacious Lady
Australia
Onderduimsch gehuwd
Belgium (Flemish title)
Mariage incognito
Belgium (French title)
Onderduims gehuwd
Belgium (flemish title alternative spelling)
Que Papai não Saiba
Brazil
En livlig dame
Denmark
Hänen salainen vaimonsa
Finland
Hans hemliga fru
Finland (swedish title tv title)
Mariage incognito
France
Kryfos gamos
Greece (transliterated title)
Una donna vivace
Italy
La astucia de una dama
Mexico
Professor, wat ben je begonnen
Netherlands
En livlig dame
Norway
Blond niebezpieczeństwo
Poland
Casamento em Segredo
Portugal
O doamna vivace
Romania
Оживленная леди
Soviet Union (Russian title)
Ardid femenino
Spain
Intrigues femenines
Spain (Catalan title)
Hans hemliga fru
Sweden
Vivacious Lady
UK
Vivacious Lady
USA