‘A Good Old Fashioned Orgy’ premiere

The cast of "A Good Old Fashioned Orgy" gathered in Hollywood on Thursday to celebrate the Sept. 2 opening of this throwback to '80s romp-romance comedies. From writers and first-time directors Peter Huyck and Alex Gregory, the film stars Jason Sudeikis as a notorious party animal looking to have one last hurrah in his father's Hamptons beach house. He invites seven of his closest friends to an orgy. Lake Bell, pictured, is one of the invitees.

The cast of “A Good Old Fashioned Orgy” gathered in Hollywood on Thursday to celebrate the Sept. 2 opening of this throwback to ‘80s romp-romance comedies. From writers and first-time directors Peter Huyck and Alex Gregory, the film stars Jason Sudeikis as a notorious party animal looking to have one last hurrah in his father’s Hamptons beach house. He invites seven of his closest friends to an orgy. Lake Bell, pictured, is one of the invitees.  (Frazer Harrison / Getty Images)

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'A Good Old Fashioned Orgy' premiere

“Saturday Night Live” star Will Forte plays Glenn, a man whose wedding takes place the same summer as the Labor Day orgy.   (Frazer Harrison / Getty Images)

'A Good Old Fashioned Orgy' premiere

Lindsay Sloane plays the Sudeikis’ shy friend Laura.  (Frazer Harrison / Getty Images)

'A Good Old Fashioned Orgy' premiere

“Childrens Hospital” actor Nick Kroll plays the bespectacled Adam.  (Frazer Harrison / Getty Images)

'A Good Old Fashioned Orgy' premiere

Musician Moby attends the screening at the Los Angeles ArcLight Cinemas.   (Frazer Harrison / Getty Images)

'A Good Old Fashioned Orgy' premiere

Adult film actress Mary Carey.  (Frazer Harrison / Getty Images)

'A Good Old Fashioned Orgy' premiere

“The Good Guys” actress Angela Sarafyan plays Willow. Sarafyan will soon appear in the upcoming “The Twilight Saga: Breaking Dawn” films.  (Frazer Harrison / Getty Images)

A Good Old Fashioned Orgy' premiere

Cast members Lake Bell, Michelle Borth, Angela Sarafyan and Lindsay Sloane with actress Lin Shaye, who plays Dody in the film.  (Frazer Harrison / Getty Images)