Alec, I would put year of release at 2001
The actual cast members (as they are spelled and appear on screen) are:
Females: Susan Canelly (in beginning credits it is spelled Cannelly, while end credits show Canelly)=Eva Angel, Candy Cay=Delfynn Delage, Angie Bright=Megan Cole, Brenda Morray, Mara Moresco=Francesca Petitjean, Joan Paradise=Laura Guerlin
Males: David Perry, Richard Lengin, Robert Rosi=Robert Rosenberg
The movie is set in a large luxurious villa; all scenes take place outdoors with the exception of last scene (in a living room)
(1) Delfynn Delage (anal, open mouth facial), Laura Guerlin (fisted anally by Delage, ass-fucked by Robert), Robert Rosenberg
(2) Francesca Petitjean (double vaginal, DP, anal, dual cum shots on breasts), David Perry, Richard Lengin
(3) Brenda Morray, Eva Angel (fisted by Morray)
(4) Megan Cole (anal), Robert Rosenberg
(5) Brenda Morray, Eva Angel (open mouth facial), Robert Rosenberg
(6) Delfynn Delage, Francesca Petitjean (fisted by Delage)
(7) Laura Guerlin (anal, anal-to-mouth from Perry, open mouth facial), Megan Cole (anal from Lengin, open mouth facial), David Perry, Richard Lengin