< Il Nonno

• Barbara et les fines braguettes Video Marc Dorcel, 97 mins, a scene missing
• Grossvater ... woran schnueffelst Du? Dir. given as Jack Crawler Goldlight, 106 mins, more complete but missing a final non-sex sequence

• Betty Dark as Beata Szabo, plays Cristina
• Jessica Fiorentino plays Barbara
• Katerina Atos plays Sandra
• Laetitia Atomix not in French version
• Maria de Marchis uncredited; non-sex, plays Barbara's mother
• Renata Rey
• Tara Young

Males -

• Philippe Dean, as Philip Dean, plays the gardener
• Sebastian Barrio as Sebastian Barros (Barrios in the French credits)
• Rodolph Dessen
• Mirone Da Nola
• Bernard

Scenes -

1. Jessica Fiorentino and a male servant (ID unknown)
2. Beata Szabo, Katerina Atos (anal), Philippe Dean
3. Jessica Fiorentino (anal), Philippe Dean, grandfather (mostly non-sex, fondling)
4. Beata Szabo (lesbian), Katerina Atos (lesbian), grandfather (mostly non-sex, fondling)
5. Tara Young (anal), Katerina Atos, Philippe Dean
6. Renata Rey (anal), Philippe Dean, Mirone Da Nola (?) (non-sex)
7. Jessica Fiorentino (anal), Philippe Dean, Sebastian Barrio, Rodelph Dessen

Thanks to x_axis47 for the information.

See also here.