Jack Lowden: Scottish Actor in Slow Horses and Dunkirk

Few actors make the leap from a Scottish stage to a global spy thriller as naturally as Jack Lowden. If you’ve found yourself wondering about the man behind River Cartwright in Slow Horses—or about his relationship with Saoirse Ronan—you’re not alone. This guide brings together his career milestones, personal life, and the questions people ask most, all backed by verified sources.

Birth date: 2 June 1990 ·
Birth place: Chelmsford, Essex, England ·
Notable role: River Cartwright in Slow Horses (Apple TV+) ·
Partner: Saoirse Ronan (engaged as of 2024) ·
Award: Olivier Award for Best Actor in a Supporting Role (2014)

The table below summarizes the confirmed biographical data for Jack Lowden.

The implication: Lowden’s biography shows a clear trajectory from Scottish training to international recognition, with a relationship that has drawn significant public interest.

Are Saoirse and Jack still together?

Yes, as of 2024, Jack Lowden and Saoirse Ronan are together and engaged. Multiple sources confirm their relationship remains strong. The Guardian (UK newspaper) referred to Ronan as Lowden’s wife in a 2024 profile, and IMDb (film database) lists her as his spouse. The couple has not publicly announced an exact wedding date, but the engagement is widely reported.

How did Jack Lowden meet Saoirse Ronan?

They met in 2018 while filming Mary Queen of Scots, where Lowden played Lord Darnley and Ronan played Mary. The Guardian reported that the connection was immediate, though they kept their relationship private for some time.

Where do Jack Lowden and Saoirse Ronan live?

The couple lives in London, England. Lowden, who grew up in the Scottish Borders after being born in Chelmsford, has maintained a base in the capital alongside his career in British television and film.

Bottom line: Lowden and Ronan are together and engaged as of 2024. They met on set, live in London, and have built a private life away from the spotlight.

Is Jack Lowden handsome?

Subjective as it is, public perception often describes Jack Lowden as attractive. His height, sharp features, and understated style have made him a recurring subject in fan discussions. But the trait that gets the most consistent mention is his height.

What is Jack Lowden’s height?

Jack Lowden stands at 6 feet 2 inches (188 cm) tall. This is confirmed by his IMDb profile (film database) and multiple biographical sources. His height is frequently noted in casting, especially for period dramas and action roles.

The pattern: Lowden’s physical attributes are not just superficial details—they directly influence the types of roles he is considered for.

Has Saoirse Ronan had a baby?

As of 2024, Saoirse Ronan has not had a child. There have been no official announcements of a pregnancy or birth. Famous Birthdays (celebrity database) reported that the couple expected their first child in May 2025 and welcomed a child in September 2025, but those claims are low-confidence and have not been corroborated by any reputable source. Until confirmed by a tier-1 or tier-2 outlet, the status remains that they do not have children.

Did Saoirse Ronan have a child?

No reliable evidence supports reports that Ronan has given birth. The Guardian (UK newspaper) profile from August 2024 makes no mention of a child, and neither does any other mainstream source. The claim remains unverified.

Bottom line: As of 2024, Lowden and Ronan do not have children; reports about a child are unsubstantiated.

Who is Saoirse Ronan’s best friend?

Saoirse Ronan’s best friend is often reported to be fellow actress Holliday Grainger. The two have been close for years, and Grainger was even rumored to be a bridesmaid at Ronan’s wedding. However, neither Ronan nor Grainger has officially confirmed this, so it remains a commonly cited but unconfirmed detail.

The implication: without official confirmation from either party, this personal detail remains speculative.

What are Jack Lowden’s most notable movies and TV shows?

Jack Lowden’s career spans theatre, television, and film. The role that put him on the map internationally was Nikolai Rostov in the 2016 BBC miniseries War & Peace. From there, he landed a key part in Christopher Nolan’s Dunkirk (2017) and became the lead of Apple TV+’s Slow Horses (2020–present).

• Slow Horses (Apple TV+) – River Cartwright (PBS Masterpiece (public broadcaster))
• Dunkirk (2017) – Collins (IMDb (film database))
• War & Peace (2016) – Nikolai Rostov (Wikipedia (encyclopedia))
• Mary Queen of Scots (2018) – Lord Darnley (The Guardian (UK newspaper))

Did Jack Lowden play James Bond?

No, Jack Lowden has not played James Bond. But he has been frequently rumored as a potential future Bond. The Guardian (UK newspaper) notes that his name comes up in casting speculation, though no official offer or audition has been reported.

Who did Jack Lowden play in Dunkirk?

In Dunkirk (2017), Lowden played Collins, a Spitfire pilot who is shot down and rescued. His performance was praised for its quiet intensity amid the chaos of the evacuation.

What role did Jack Lowden play in War & Peace?

He portrayed Nikolai Rostov, the eldest son of the Rostov family, in the 2016 BBC adaptation. The role was a breakout that led to larger film opportunities.

Bottom line: Lowden’s career is defined by Slow Horses and Dunkirk. He has not played James Bond but remains a fan favorite for the role. His stage-to-screen path is a rare success story in British acting.

For fans of British acting and slow-burn spy thrillers, Jack Lowden represents a rare blend of classical training and modern charisma. His relationship with Saoirse Ronan adds a personal dimension that many find compelling. Lowden has carved out a unique niche that doesn’t need the tuxedo, though for the rumor mill, the James Bond question remains open.