OMPYX

Two sisters. One band. One deadly betrayal.

Musical
Differences

A six-part thriller series. Written and directed by Martin Simpson. Not all harmonies are meant to last.

Musical Differences — Harmonee, Georgia and Jak
Trailer — coming soon · In production for 2027

Explore the films

The films

Features & shorts
Indigo Lake poster with festival laurels

Indigo Lake

Feature · 2017 · Cannes Marché du Film · Best thriller, LA Film Awards · Best director, London Independent Film Awards

An artist hired to paint a nightclub owner's beautiful wife falls for his subject. Her husband's jealousy turns lethal — but murder is not so easy as it's painted.

Watch the trailer   IMDb
Gene-X poster — Blueprint for Murder

Gene-X

Feature · …Blueprint for murder · Cannes Marché du Film

A young research doctor on the brink of a genetic cure for cancer discovers his breakthrough has a dark side. A hospital thriller screened three times at Cannes.

Watch the trailer
A Girl Like U poster — Tamika Wood and Matt Deane

A Girl Like U

Short · Drama · 2011

Bullied schoolgirl Ellie escapes down lovers' lane in a stolen car, running on a tank of dreams. But at the filling station, everything is about to change.

Watch the trailer   IMDb
The McGuffin of Love poster

The McGuffin of Love

Short · Noir comedy · Best film, NAFA Action-Fest 2004

When hungry gangster Rick discovers his wife has given her McGuffin to the pool guy, jealousy overcomes his desire for pressed duck — with hilarious results. A noir pastiche.

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The novels

In print & ebook
The Tattooed Arm book cover

The Tattooed Arm

A roller-coaster ride of lust and danger

Nineteen thirty-five: Australia is emerging from the Great Depression, and Sydney's nightclubs are filling again. Emma has achieved her life's ambition — until she discovers her respectable husband has gambled away their money and is smuggling cocaine. As gangsters close in on her family, she is drawn into the arms of a charismatic killer.

"A colorful, enjoyable novel with a fearless, savvy heroine."
— Kirkus Reviews

Buy on Amazon
Brains book cover

Brains

The explosive hospital thriller

Written by a doctor who knows exactly where the bodies are buried.

Buy on Amazon

About Ompyx

Writer · Director · Producer
Martin Simpson at the Sydney Film Festival
Sydney Film Festival

Ompyx is the production house of writer-director Martin Simpson — doctor turned filmmaker, bitten by the movie bug as crew doctor on The Blue Lagoon and never cured.

Since then: features screened at the Cannes Marché du Film and the Barbican's London-Australian Film Festival, documentaries in prime time on France 3, award-winning shorts, two published thrillers, and stage and radio work.

The current production is Musical Differences, a six-part thriller series pushing new AI filmmaking tools to their limits.

Selected credits

  • Series · in productionMusical Differences
  • Feature · Cannes 2017Indigo Lake
  • Feature · Cannes 2006Gene-X
  • Documentary · France 3The New Faces of Aboriginal Australia
  • Script editorVisitors (Radha Mitchell)
  • Crew doctor · 1980The Blue Lagoon
Best Thriller trophy, Los Angeles Film Awards 2018, for Indigo Lake
Best Thriller · LA Film Awards 2018