‘Proclivitas’ Interview: Director Miley Tunnecliffe & Producer Kate Separovich on Aussie Psychological Horror

We had a video chat with writer-director Miley Tunnecliffe and producer Kate Separovich to talk about their Australian psychological horror-thriller, Proclivitas. Watch our video chat above and read the primer below.

Among the topics discussed: how the project first took shape (whether a thematic seed or a narrative spark led the way), the film’s treatment of addiction and guilt, and how the team approached balancing metaphor with literal horror so the scares and the psychology speak to each other. We also touched on the design of the entity—its concealed features, unnerving presence, and any influences that may have guided its look and movement.

We spoke about casting—particularly Rose Riley’s late addition as Clare—and how performance, preparation, and on-set flexibility shaped the character’s journey. The conversation also covered first-feature takeaways for Miley on the directing side and, from Kate, the realities of producing a contained, mood-driven horror on tight resources.

When and where to watch

Proclivitas will be screening at SXSW Sydney on Wednesday, October 15, and will be released in Australian cinemas nationally from February 19, 2026. For the full Screen Festival programme, visit sxswsydney.com.

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