Watch Free Online HD Moviesjoy. As Harold Pinter famously said, Taylor-Johnson is 'the weasel under the cocktail cabinet' at this particular party. The erotic undercurrents between the various people at the party are given further resonance with the use of multiple screens to portray them. Marianne Faithfull is given a starring role, and the viewer is the 'third party' of the title. 16mm film. Seven-screen projection.