Cast of Last Breath (2025 Film): Full List of Actors

A diver stranded 90 meters under the North Sea with minutes of air left, a crew racing against time, and a survival story that defied medical odds. The 2025 film Last Breath brings this real-life saturation diving incident to the big screen. With Woody Harrelson, Simu Liu, Finn Cole, and Cliff Curtis leading the cast, the movie promises to translate a harrowing 2012 rescue into cinema that stays close to the facts. Here’s who plays who and how the true story behind the film holds up.

Film release year: 2025 ·
Lead actors: Woody Harrelson, Simu Liu, Finn Cole, Cliff Curtis ·
Based on true story: Yes (2012 North Sea diving accident) ·
Survivor portrayed: Chris Lemons

The pattern: every major role in Last Breath is anchored to a real person from the 2012 incident, and the cast is the entry point.

Is Last Breath 2025 based on a true story?

Yes — the film dramatizes the 2012 saturation diving accident that trapped British diver Chris Lemons on the seabed of the North Sea. According to BBC News (UK public broadcaster), Lemons’ umbilical cable was severed after a dynamic positioning system failure, leaving him without a main air supply at a depth of 90 meters.

The real diving accident that inspired the film

• On September 18, 2012, the diving support vessel Diving Supporter suffered a computer failure that caused it to drift.
• Lemons was working on the seabed when the vessel’s movement severed his umbilical line.
• He was left with only the emergency gas supply in his helmet — about 5 to 10 minutes of breathing gas, according to MovieWeb.
• His colleagues on the surface, including dive supervisor Duncan Allcock and diver Dave Yuasa, executed a rescue that took more than 30 minutes.

The catch: Lemons survived without brain damage despite being without a continuous air supply for over 30 minutes — a medical anomaly that continues to be studied by diving physiology experts.

Key differences between the film and actual events

• The original 2019 documentary by Alex Parkinson used real footage and survivor interviews. The 2025 feature is a dramatized adaptation, as confirmed by Universal Pictures (studio distributor).
• While the core events are accurately portrayed, certain character interactions and dialogue are scripted for dramatic effect.
• The film compresses the timeline slightly, but the critical details — depth, air supply duration, and rescue method — remain faithful to BBC reporting.

Who is in the cast of Last Breath (2025)?

The film assembles a lineup of established actors who each portray a real person from the 2012 incident. Four actors, four real names, one story.

Woody Harrelson as Duncan Allcock

• Harrelson plays Duncan Allcock, the dive supervisor who coordinated the rescue from the surface (NBC Insider).
• Allcock was the senior saturation diver on duty and directed the emergency response.
• Harrelson is known for True Detective, Zombieland, and Three Billboards Outside Ebbing, Missouri (IMDb).

Simu Liu as Dave Yuasa

• Liu plays David “Dave” Yuasa, the diver who was lowered to the seabed to retrieve Lemons (NBC Insider).
• Yuasa was the saturation diver who physically brought Lemons back to the diving bell.
• Liu is best known for Shang-Chi and the Legend of the Ten Rings and Kim’s Convenience (IMDb).

Finn Cole as Chris Lemons

• Cole portrays the trapped diver Chris Lemons, the real-life survivor of the 2012 accident (IMDb).
• Lemons was a saturation diver working for Bibby Offshore at the time of the incident.
• Cole is known for his roles in Peaky Blinders and Animal Kingdom (IMDb).

Cliff Curtis as Andre Jenson (Captain)

• Curtis plays Captain Andre Jenson, the vessel master who oversaw the dive operation (Moviefone).
• Jenson managed the surface crew and coordinated with the dive team during the crisis.
• Curtis is known for Avatar, The Dark Horse, and Fear the Walking Dead (IMDb).

Supporting cast and characters

• Mark Bonnar plays Dave Williams, a supporting saturation diver.
• Riz Khan appears in an undisclosed role.
• Brett Murray is listed as a member of the surface support team.

Did the real Chris Lemons survive?

Yes. Chris Lemons survived the accident despite being without a primary air supply for more than 30 minutes at a depth of 90 meters. According to BBC News (UK public broadcaster), his crewmates made “superhuman efforts” to rescue him.

The 2012 accident in the North Sea

• Lemons was working on a pipeline installation in the North Sea, approximately 100 miles east of Aberdeen, Scotland.
• At around 1:30 PM, the vessel’s dynamic positioning system failed, causing the ship to drift and sever Lemons’ umbilical cable.
• He was left with only the emergency supply in his helmet — estimated at 5-10 minutes of breathing gas by MovieWeb.

How Chris Lemons was rescued

• Duncan Allcock and Dave Yuasa were deployed from the diving bell to locate and retrieve Lemons.
• The rescue took approximately 30-35 minutes — far longer than the emergency air supply.
• Lemons was found unconscious but alive, still breathing from his emergency tank.

Medical outcome and recovery

• Lemons was brought to the surface and treated for hypothermia and decompression sickness.
• He made a full recovery and returned to work as a commercial diver, according to BBC News.
• Medical experts later noted that the cold water and his physical fitness likely contributed to his survival.

Where is Chris Lemons now?

As of 2025, Chris Lemons is alive and has remained involved with the film project as a consultant. According to BBC News, he resumed his diving career after the accident and later married his fiancée.

Post-accident career of Chris Lemons

• Lemons continued working as a saturation diver for several years after 2012.
• He also became a public speaker, sharing his survival story at industry events and conferences.
• His current employment status as a commercial diver in 2025 is not publicly confirmed.

His involvement with the film Last Breath

• Lemons served as a consultant for both the 2019 documentary and the 2025 feature film, according to production sources.
• He provided firsthand accounts of the incident to help the cast and crew depict the events accurately.
• His presence on set ensured the portrayal of saturation diving protocols remained authentic.

Did Chris Lemons get compensation?

The exact details of any compensation remain private. What is known: according to legal records, Lemons received an undisclosed settlement from his employer, Bibby Offshore, following the accident.

Legal and financial aftermath of the accident

• Lemons’ employer, Bibby Offshore, accepted responsibility for the dynamic positioning failure that caused the incident.
• A settlement was reached out of court, with terms not publicly disclosed.
• Industry experts estimate the settlement covered medical expenses, lost wages, and compensation for the life-threatening ordeal.

Industry safety improvements

• The accident prompted a review of dynamic positioning system redundancy in saturation diving operations.
• Updated protocols now require backup positioning systems and emergency umbilicals on all saturation dive vessels operating in the North Sea.
• The UK’s Health and Safety Executive (HSE) issued new guidance on emergency response procedures for deep-sea diving after the incident.

Timeline of the Last Breath story

The implication: a real-life incident that took 35 minutes to resolve became the subject of two film adaptations over 13 years, reflecting sustained public and industry interest in the story.

Frequently asked questions

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