< La Casa delle hostess

• Guia Lauri Filzi uncredited, plays a hostess colleague of Mara and Susy (air hostess?)
• Janet Haley as Janet Hailey, plays Carmen, a colleague of Mara and Susy
• Laura Prati plays Mara
• Marina Hedman plays Susy, a friend and colleague of Mara

Credits are partly fictional: Laura Prati, Marina Frajese, Tim Smith, Mary Osmond (part of the first letter is cut off at the edge of the frame, but it looks like an M to me), James Crook (J cut off), Alex Ludowig, Janet Hailey (J cut off, and it may be Haley, but it looks like Hailey to me).

Males include -

• Giuseppe Curia plays the porter
• Bruno Romagnoli plays a friend of Carmen who participates in the orgy
• Giancarlo Busmani plays Max, a friend of Susy who participates in the orgy
• Giuseppe Cardone, non-sex, plays the waiter in the restaurant on the beach

Film information added with help from Franco Grattarola & Andrea Napoli, Luce Rossa. La nascita e le prime fasi del cinema pornografico italiano, Roma: Ed. Iacobelli, 2014, pp. 283-284.