Mitchell Robertson Actor: Biography & Career
Mitchell Robertson is a Scottish actor, writer and filmmaker best known for playing young Niall in Half Man, the BBC and HBO drama created by Richard Gadd. His performance brought wider attention to a career that already included roles in Mayflies, Curfew and Moonflower Murders.
Born in 1998 and raised in Cumbernauld, Scotland, Robertson was named one of Screen International’s UK and Ireland Stars of Tomorrow in September 2026. His work also extends to independent filmmaking and voice acting, including a role in the Harry Potter full-cast audiobooks.
| Detail | Information |
|---|---|
| Full name | Mitchell Robertson |
| Profession | Actor, writer and filmmaker |
| Birth year | 1998 |
| Age | 28, as reported in July 2026 |
| Hometown | Cumbernauld, Scotland |
| Nationality | Scottish |
| Known for | Half Man, Curfew, Mayflies |
| Half Man character | Young Niall |
| Notable film | Harvest (2024) |
| Voice acting | Oliver Wood in the Harry Potter full-cast audio editions |
| Career recognition | Screen International UK and Ireland Star of Tomorrow, 2026 |
Who is Mitchell Robertson?
Mitchell Robertson is an actor from Cumbernauld, a town near Glasgow. His professional work includes British television dramas, independent films, theatre and voice performances. According to his official biography, he is also a filmmaker and the founder and creative director of Jintyhouse.
Robertson became more widely recognised in 2026 through Half Man. He played the younger version of Niall, a character portrayed in adulthood by Jamie Bell. The production gave Robertson substantial screen time and introduced his work to viewers beyond those familiar with his earlier Scottish television appearances.
Although Half Man is his most prominent credit, Robertson had already worked across several productions before joining Richard Gadd’s drama. Those earlier roles help explain how his career developed rather than making his 2026 appearance seem like an overnight debut.
Mitchell Robertson’s age and Scottish background
Mitchell Robertson was born in 1998. He was described as 28 years old in a July 15, 2026, interview with The Standard, making 28 the supported age as of October 2026. His exact birth date is not established by the biographical information used here.
He grew up in Cumbernauld and has spoken about coming from a working-class background. In his interview with The Standard, Robertson explained that acting had initially felt unfamiliar because he did not grow up surrounded by people working in the profession.
As a teenager, he made YouTube sketches with friends and considered pursuing football. Taking part in a school production encouraged him to explore acting more seriously. He subsequently trained in Glasgow and began building experience through theatre and screen roles.
His Scottish upbringing is particularly relevant to Half Man, which explores characters shaped by their childhood experiences and relationships in Glasgow. Robertson has discussed how elements of that environment felt familiar to him, although the character he plays is fictional.
Mitchell Robertson’s breakthrough role in Half Man
Robertson plays young Niall in Half Man, a six-part drama written by and starring Richard Gadd. The series follows the complicated relationship between Niall and Ruben across different periods of their lives, examining how experiences from childhood continue to affect them as adults.
Stuart Campbell plays young Ruben, while Gadd portrays the older character. Jamie Bell plays adult Niall, making Robertson responsible for establishing the younger version of a character that another actor later carries forward.
How Mitchell Robertson and Jamie Bell played Niall
Playing the same character at different ages required the two actors’ performances to feel connected. Robertson’s scenes establish Niall’s earlier behaviour and emotional responses, while Bell portrays the consequences of those experiences later in life.
In interviews following the show’s release, Robertson explained that the younger cast filmed first. Bell could then watch the material and use it when developing his portrayal of adult Niall. That sequence gave the actors a practical way to maintain continuity without making their performances identical.
For Robertson, the role also demanded more than simply portraying a younger version of someone else. Niall’s relationship with Ruben changes throughout the story, and his choices cannot always be understood separately from the shame, fear and dependence that shape their relationship.
The show premiered in April 2026 and became the credit most closely associated with Robertson in subsequent interviews and professional coverage.
Mitchell Robertson actor credits: movies and TV shows
Mitchell Robertson’s movies and TV shows include crime dramas, literary adaptations, independent films and contemporary television stories. His acting credits show a steady accumulation of supporting roles before the larger part he played in Half Man.
The following is a selection of his confirmed screen work, using character information from his professional agency profile.
| Production | Year | Mitchell Robertson’s role |
|---|---|---|
| A Very British Scandal | 2021 | Lennox |
| Mayflies | 2022 | Tibbs |
| Harvest | 2024 film | Christopher Derby |
| Curfew | 2024 | Eddie Wilson |
| Moonflower Murders | 2024 | Jack Williams |
| Damaged | 2024 | Police officer |
| Half Man | 2026 | Young Niall |
These credits are not an exhaustive filmography. Robertson’s representation also lists appearances in Grace and Marriage, along with additional stage work.
Mitchell Robertson in Mayflies
Mayflies is a BBC drama based on Andrew O’Hagan’s novel. Robertson plays Tibbs in the production, which follows friendships formed during youth and the difficult experiences that emerge years later.
The series is an important early credit because it placed Robertson in a Scottish drama before his appearance in Half Man. Both productions involve relationships influenced by the past, although the stories and Robertson’s roles are different.
His role in Harvest
Robertson also appears as Christopher Derby in Harvest, directed by Athina Rachel Tsangari. The film stars Caleb Landry Jones and Harry Melling and follows a rural community facing disruption and conflict.
Harvest premiered at the Venice Film Festival in September 2024, with a later UK theatrical release in July 2025. The distinction matters because its festival premiere year and wider release year are not the same. Robertson’s part is a supporting film credit rather than one of the production’s leading roles.
Mitchell Robertson as Eddie Wilson in Curfew
Before Half Man, Robertson appeared in the 2024 television thriller Curfew as Detective Constable Eddie Wilson. The Paramount+ series imagines a society where men are subject to a nightly curfew, with a murder investigation testing the assumptions behind that system.
Robertson’s character works within the police investigation. The series also stars Sarah Parish, and its crime-story structure differs sharply from the family drama of Half Man.
Curfew provided Robertson with experience in a continuing television role rather than a brief appearance. His professional CV also lists a Best Supporting Actor nomination associated with the series at the 2025 National Film Awards UK; that is a nomination, not an award win.
His work as a writer and independent filmmaker
Acting is only one part of Robertson’s professional work. His own website identifies him as a writer and filmmaker, and he is associated with Jintyhouse, a creative organisation through which he has developed projects outside mainstream television.
His CV includes short-film work and creative projects developed alongside his acting career. One of those projects, Boy (eighteen), was shortlisted for a Brighton Fringe award in 2023. Being shortlisted should not be confused with winning the award.
This independent work gives a more complete picture of Robertson’s career. He has continued creating material while taking roles in productions directed and written by other people.
Did Mitchell Robertson appear in Harry Potter?
Mitchell Robertson has a confirmed connection to Harry Potter, but it is through voice acting rather than a film appearance.
He voices Oliver Wood in the full-cast audio production of Harry Potter and the Philosopher’s Stone. The character is a Hogwarts student and Gryffindor Quidditch captain. Audible’s official cast announcement identifies Robertson among the performers involved in the production.
This does not mean Robertson appeared in the original Harry Potter films or played Oliver Wood in a television adaptation. His documented credit belongs to the audiobook production, which premiered in November 2025.
For viewers who discovered him through Half Man, the audiobook is an example of his work in a different performance format. It also explains why searches for “Mitchell Robertson Harry Potter” appear alongside searches about his television career.
Mitchell Robertson’s 2026 Stars of Tomorrow recognition
In September 2026, Screen International selected Robertson for its UK and Ireland Stars of Tomorrow programme. The annual selection identifies emerging actors and filmmakers whose recent work has attracted attention within the screen industry.
Robertson appeared on the 2026 list alongside performers including Bo Bragason, whose television credits include Renegade Nell and The Jetty. Their connection is the same Stars of Tomorrow cohort; there is no established claim here that they have worked together on a production.
The official announcement from Spotlight, which sponsored the programme, specifically referenced Robertson’s performances in Mayflies and Half Man. It also identified All The Colours as forthcoming work.
Being named a Star of Tomorrow is an industry recognition, not a competitive acting award for a particular performance. In Robertson’s case, it followed the wider attention generated by his portrayal of young Niall.
What is Mitchell Robertson working on next?
Robertson’s professional representation lists Counsels, a BBC production in which he is credited as Ronnie. Spotlight’s September 2026 announcement also identified All The Colours as an upcoming project associated with him.
Those listings establish his involvement but should not be treated as confirmation that either production had been released by October 23, 2026. A verified broadcast or release date was not established for either title.
For audiences looking for Mitchell Robertson’s work now, Half Man is the clearest introduction to his acting. Curfew offers a different kind of television role, while Mayflies and Harvest provide a look at his earlier screen career.
