Murder, homosexuality, bisexuality, nymphomania, and sadism are among the themes of this black comedy focusing on a brother and sister who become involved with a young, sexy, amoral drifter with a mysterious past.

When Mr Sloane murders Kemp to protect his secret, they blackmail him by threatening to report him to the police unless he agrees to participate in a ménage à trois, in which he becomes not only a sexual partner but their prisoner as well.

[8] The film was produced at Intertel Studios in Wembley and on location at Brockley, at East Dulwich, and at the lodge in Camberwell Old Cemetery in Honor Oak.

[1] Beryl Reid later wrote in her memoirs that "though it wasn’t an immediate success commercially, Entertaining Mr Sloane has become a cult film: everybody tries to get videos of it, which is quite surprising.

It has always been my favourite film and certainly it was brilliantly adapted for the screen from Joe Orton’s play by Clive Exton, with Douglas Hickox doing a marvellous job.

"[13] Roger Greenspun of The New York Times observed, "I think that the play's real interest lies precisely in its grotesque avoidance of the depths with which the movie is so vividly familiar.

But in most of its particulars the film succeeds—with a superb cast, Douglas Hickox's inventive and generally restrained direction, and a screenplay by Clive Exton that .

opens up the action mainly to enlarge the characterization of Ed, a real virtue if only for allowing more time and scope to the wonderful Harry Andrews.

Clive Exton's script opens out the play conventionally, to little effect, and Hickox's direction shows little flair for farce in general or Orton in particular.

"[7] Veteran actor Dudley Sutton originated the role of Sloane in the premiere London and New York stage productions, and was friends with Orton.