
There’s a moment in every Line of Duty rewatch when you stop seeing Steve Arnott and start wondering about the man who plays him. Martin Compston was a professional footballer before he became one of British TV’s most recognisable detectives — he signed for Greenock Morton at 17, according to The Big Issue (social enterprise magazine).
Born: 8 May 1984, Greenock, Scotland · Known for: Steve Arnott in Line of Duty · Former profession: Professional footballer (defender) · Wife: Tianna Chanel Flynn · Children: 1 son · Height: 5 ft 8 in (1.73 m)
Quick snapshot
- Born 8 May 1984 in Greenock, Scotland (IMDb (crowdsourced film database))
- Played as a defender for Greenock Morton (The Big Issue (social enterprise magazine))
- Has one son (Wikipedia (community-edited reference))
- Starred as Steve Arnott in Line of Duty (MyLondon (London news outlet))
- Wedding year is listed as 2016 by IMDb, but other reports suggest a different date (IMDb (crowdsourced film database))
- Son’s birth year is reported as 2019 and 2021 (Entertainment Daily (UK entertainment site))
- No official net worth figure has been published (IMDb (crowdsourced film database))
- 1984: born in Greenock (IMDb (crowdsourced film database))
- 2001/02: two senior appearances for Morton (The Big Issue (social enterprise magazine))
- 2002: acting debut in Ken Loach’s Sweet Sixteen (Wikipedia (community-edited reference))
- 2012: first appears in Line of Duty (Daily Star (UK tabloid))
- Divides his time between Greenock and Las Vegas with his wife and young son (The Times (UK newspaper))
- Recent credits include Amazon Prime’s The Rig (IMDb (crowdsourced film database))
Eight facts, one pattern: the hard data is strong, and the soft data — wedding dates and baby ages — is where sources drift.
| Fact | Detail | Reference |
|---|---|---|
| Date of birth | 8 May 1984 | IMDb (crowdsourced film database) |
| Place of birth | Greenock, Scotland | Transfermarkt (football statistics site) |
| Occupation | Actor, former professional footballer | Wikipedia (community-edited reference) |
| Years active | 2002–present (acting); 2000–2002 (football) | The Big Issue (social enterprise magazine) |
| Spouse | Tianna Chanel Flynn | IMDb (crowdsourced film database) |
| Children | One son | Entertainment Daily (UK entertainment site) |
| Height | 5 ft 8 in (1.73 m) | Transfermarkt (football statistics site) |
How many children does Martin Compston have?
One — and the public record around him is deliberately quiet.
- Martin Compston has one son, according to Wikipedia.
- His son is from his marriage to Tianna Chanel Flynn; IMDb lists one child in his family section.
- Recent coverage describes the family splitting time between Scotland and the US (The Times (UK newspaper)).
When was Martin Compston’s son born?
- Sources are not consistent. A 2022 Entertainment Daily (UK entertainment site) report said the couple’s son was born in 2019.
- Other public summaries point to 2021, but no official record makes that date definitive.
The pattern: the more famous Compston gets, the fewer family details enter the public domain. That looks less like a data gap and more like a boundary.
What does Martin Compston’s wife do?
The reliable part is simple: his wife is Tianna Chanel Flynn. The career details around her are less settled.
Who is Tianna Chanel Flynn?
- She is described as an actress and model in UK entertainment coverage such as MyLondon (London news outlet).
- Public databases list her as Compston’s spouse (IMDb (crowdsourced film database)).
- Wedding dates differ by source: IMDb bio lists the marriage as beginning in June 2016, while later reporting has suggested a different date.
For researchers, the thin sourcing on Flynn’s career is the signal. Treat “actress and model” as a description from entertainment coverage, not a verified employment record.
The trade-off: the less that’s confirmed about her work, the more careful you should be with fan-written summaries.
Are Vicky McClure and Martin Compston friends?
On screen, yes. Off screen, the public answer is also yes — though the evidence is more anecdotal than documentary.
How close are the Line of Duty co-stars off-screen?
- Compston played Steve Arnott opposite McClure’s Kate Fleming across Line of Duty’s main run (MyLondon (London news outlet)).
- Interviews around the show have described a genuine off-screen friendship, not just a professional partnership.
- Both actors have taken part in charity and public projects beyond the series.
What this means: the friendship is not the kind of fact you can look up in a contract. But the on-screen bond that made the show work was built on something public enough to survive six series.
What football team did Martin Compston play for?
The short answer: Aberdeen at youth level, then Greenock Morton as a professional.
Which club did Martin Compston represent as a youth?
- According to The Times (UK newspaper), he played youth football for Aberdeen before joining Greenock Morton.
- Press and Journal (Scottish regional paper) also linked him to Aberdeen, noting he wore an Aberdeen shirt in Roy Aitken’s era.
Did Martin Compston play senior professional football?
- He signed a professional contract with Greenock Morton after leaving school, according to Daily Star (UK tabloid).
- The Big Issue (social enterprise magazine) says he made two first-team appearances in the 2001-02 season.
- A Greenock Morton fan blog (club archive) from 2008 said he quit football to concentrate on acting.
For casting directors, the Morton stint is a useful detail: Compston was not a failed footballer who stumbled into acting. He made a deliberate exit and landed a Ken Loach film almost immediately.
The implication: the tabloid framing of a “failed footballer” doesn’t match the timeline of a deliberate career pivot.
How did Martin Compston meet his wife?
The exact first meeting is the least documented part of his personal life. What’s public is the marriage record.
Where did the couple first cross paths?
- IMDb (crowdsourced film database) names Tianna Chanel Flynn as his spouse and lists the marriage as beginning on 19 June 2016.
- Later reporting has suggested a different ceremony date, but the details are not settled in the sources used here.
The catch: if a wedding date is the thing you need, cross-check the databases before repeating it. This is a case where the sources disagree.
Career timeline: from Greenock to AC-12
Six dates, one throughline: the football exit and the TV entrance happened within the same two-year window.
| Year | Event | Reference |
|---|---|---|
| 1984 | Born in Greenock, Scotland | IMDb (crowdsourced film database) |
| 2000–2002 | Defender with Greenock Morton; two senior appearances in 2001-02 | The Big Issue (social enterprise magazine) |
| 2002 | Screen debut in Ken Loach’s Sweet Sixteen | The Times (UK newspaper) |
| 2012 | First appears as DS Steve Arnott in BBC’s Line of Duty | Daily Star (UK tabloid) |
| 2021 | Becomes a father (some reports say 2019) | Entertainment Daily (UK entertainment site) |
The pattern to watch: the football career ended just before the acting one started. That isn’t a coincidence — it was the pivot that made his name possible.
What’s confirmed — and what isn’t
Confirmed facts
- Born 8 May 1984 in Greenock, Scotland (IMDb (crowdsourced film database))
- Played for Greenock Morton as a defender (The Big Issue (social enterprise magazine))
- Married to Tianna Chanel Flynn (IMDb (crowdsourced film database))
- Has one son (Entertainment Daily (UK entertainment site))
- Played Steve Arnott in Line of Duty (MyLondon (London news outlet))
What’s unclear
- Exact net worth is not officially verified (no authoritative source)
- Wedding year differs between databases (IMDb (crowdsourced film database))
- Son’s birth year is reported as 2019 and 2021 (Entertainment Daily (UK entertainment site))
- Wife’s career details are not consistently documented (MyLondon (London news outlet))
- How and where the couple met is not covered in sourced material (internal research notes)
- Specific earnings from acting per episode have not been disclosed (no authoritative source)
Quotes and reported lines
“He signed professional forms with Greenock Morton at 17 and made two first-team appearances in the 2001-02 season.”
Reported in The Big Issue (social enterprise magazine)
“He divides his time between Greenock and Las Vegas with his wife and young son.”
Reported in The Times (UK newspaper)
“Compston wishes he’d never quit football.”
Martin Compston, on leaving Morton, via Greenock Morton fan blog (club archive)
Vicky McClure has described her off-screen friendship with Compston as genuinely close, not a publicity arrangement.
Vicky McClure, on their Line of Duty partnership (MyLondon report)
For anyone assembling a Martin Compston fact file, the choice is clear: anchor the timeline in the football and BBC records, and treat the family dates as a live investigation rather than a settled line. A related read on another Scottish actor with a complicated public story: Tommy Flanagan — and for another footballer-turned-public-figure, there’s the Peter Crouch profile.
For a deeper look at his personal details and career milestones, readers may consult Martin Compstons biography for verified statistics.
Frequently asked questions
How tall is Martin Compston?
Entertainment and football profiles list him at 5 ft 8 in (1.73 m), including Transfermarkt (football statistics site).
What is Martin Compston’s net worth?
No verified public figure exists. Estimates vary, but none of the sources used here confirm a number.
How old is Martin Compston?
He was born on 8 May 1984, so his age depends on when you ask. IMDb (crowdsourced film database) lists the date.
Is Martin Compston still acting?
Yes. He continues to take television and film roles; recent credits include Amazon Prime’s The Rig.
What new series is Martin Compston in?
Recent coverage focuses on The Rig and other projects. Because release schedules change, check the latest listings for confirmed dates.
Did Martin Compston play for Celtic?
There is no senior Celtic record in the sourced material. His professional club was Greenock Morton; the Celtic link is a youth or trial connection rather than a first-team career.