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Mark O'Brien portrait

Actor

Mark O'Brien

Mark O'Brien has 2 movies currently represented on MoviHero. Compare the available roles, runtimes, genres and movie guides to choose where to start.

2 movies on MoviHero
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WHERE TO START

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Starting points from MoviHero's available guides, each with a practical reason to pick it. These are fits for different movie nights, not a ranking of Mark O'Brien's career.

Arrival poster

Arrival

2016 · 1h 56m · Drama · Science Fiction

Mind-bendingEmotional

Choose this if you are open to a movie that it with grief in tead of ru hing pa t it.

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The Outer Threat poster

The Outer Threat

2026 · 1h 34m · Science Fiction · Thriller

Fast-pacedShorter watch

Choose this if you want a urvival tory built around pre ure and hard choice.

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MOVIHERO CREDITS

Movies and roles on MoviHero.

2 linked movie guides in the current MoviHero catalog. This is not presented as a complete career filmography.

2026The Outer ThreatActor · Daniel Ashford1h 34m · Science Fiction · Thriller2016ArrivalActor · Captain Marks1h 56m · Drama · Science Fiction

VERIFIED PORTRAYALS

Characters played by Mark O'Brien.

Only reviewed character-to-film mappings are linked here. A cast credit alone does not create a character guide.

otherCaptain MarksArrivalOpen character guide otherDaniel AshfordThe Outer ThreatOpen character guide

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