However, her first lead roles came with two Osman F. Seden films: Teşekkür Ederim Büyükanne (1975), an adaptation of Marino Girolami film Grazie... nonna and Delicesine (1976), an adaptation of Irving Wallace novel The Fan Club that featured Viviani with Kadir İnanır and Fikret Hakan, two prominent Turkish actors.
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Her later films from mid-1970s to 1980s covered many exploitation genres ranging from commedia sexy all'italiana (L'adolescente (1976) by Alfonso Brescia), nazisploitation (KZ9 - Lager di Sterminio (1977) by Bruno Mattei), and zombie film (Nightmare City (1980) by Umberto Lenzi) to giallo (Assassinio al cimitero etrusco (1983) by Sergio Martino) and peplum (The Adventures of Hercules (1985) by Luigi Cozzi).
Sonia Gandhi | Sonia Sotomayor | Sonia Sanchez | Vincenzo Viviani | Sonia Dada | Sonia Noemí | Sonia Nieto | Sonia Mkoloma | Sonia O'Sullivan | Sonia Nassery Cole | Sonia Melchett | Sonia Escolano | Sonia Agarwal | Sonia Vinci | Sonia "Sunny" Jacobs | Sonia Sui | Sonia Steinman Gold | Sonia Sekula | Sonia Rosado | Sonia Prina | Sónia Matias | Sonia Martínez | Sonia Manzano | Sonia Levitin | Sonia Lee | Sonia Johnson | Sonia Fowler | Sônia Braga | Sonia Amelio | Sonia Ahmed |