< Ramba-Eva: le donne del peccato ovvero Un abisso di piacere

• Abyss of Pleasure Germany, Supervideo SAP7529 (Sascha Alexander Pictures), probably the same film but without La Nuova Ramba

• Eva Orlowsky as Eva Orlosky
• La Nuova Ramba as Florence Farkas (not in SAP version)
• Laura Valérie
• Marie Noelly as Mary Noel
• Pénélope Valentin as Valentine ('Penelope, Valentine' on the cover)
• XNK6416 probably miscredited as Stella Grey

Stella Grey is credited but does not appear.

Males -

• Jean-Pierre Armand
• Roberto Malone
• Frank Mazard (Frank Balard)
• unidentified male
• a George Harrison lookalike who plays the writer, non-sex

A writer invites to his huge villa a group of porn performers in the hope that studying their sexual romps may help him find inspiration for his next book.

Thanks to skin flick for the information.