Callum Woodhouse: Biography, Age, Wife, and Tristan Exit

There’s something about a cheeky younger brother that steals a show, and for millions of All Creatures Great and Small fans, that character is Tristan Farnon. Played by British actor Callum Woodhouse, Tristan brought warmth and comic relief to the Yorkshire Dales. This article looks at Woodhouse’s life beyond Skeldale House — his age, nationality, relationship status, and the story behind why his character was written out of the beloved series.

Born: 7 January 1994 ·
Nationality: British ·
Known for: Tristan Farnon in All Creatures Great and Small ·
Height: 6’2″ ·
Education: Stockton Sixth Form College ·
Instagram followers: 44,000

A concise table of nine biographical data points verified across multiple sources shows that Woodhouse’s public profile is tightly linked to his role as Tristan Farnon.

Why did they replace Tristan on All Creatures Great and Small?

When did Tristan Farnon leave All Creatures Great and Small?

• Tristan Farnon was written out during the show’s third season (2023) as the character was called up for military service in World War II (TV Insider).
• His departure aligned with the historical reality that many rural veterinarians served in the Royal Army Veterinary Corps during the war.

Did Callum Woodhouse leave All Creatures Great and Small voluntarily?

• Reports indicate the departure was a creative decision by the writers, not a personal choice by Woodhouse (Radio Times).
• Woodhouse has expressed openness to returning, saying he remains fond of the role and the cast.

Will Tristan Farnon return to All Creatures Great and Small?

• Tristan did return for Season 6 (2026), appearing on leave from the Royal Army Veterinary Corps (TV Insider).
• The character’s return was brief, and Woodhouse’s ongoing involvement remains flexible depending on storyline needs.

The implication: For fans who feared Woodhouse had left permanently, the creative choice leaves room for more appearances — as long as the wartime storyline continues to serve the show’s arc.

Is actor Callum Woodhouse married?

Does Callum Woodhouse have a wife?

• No. As of 2025, Woodhouse is not married (GB News).
• He is in a relationship with Jess Nickson, whom he has been with for several years.

Who is Callum Woodhouse’s partner?

• Nickson is a private individual who reportedly shares Woodhouse’s love for Harry Potter. In a PBS Masterpiece interview, Woodhouse mentioned that his girlfriend and her family are “even bigger Harry Potter fans” (PBS Masterpiece).
• The couple has one child together (GB News).

What is Callum Woodhouse’s relationship status?

• Woodhouse is in a committed relationship with Nickson, but the couple is not engaged or married.
• Woodhouse has kept most details of his relationship private, sharing only occasional glimpses on social media.

The pattern: Woodhouse maintains a clear boundary between his public acting career and his private family life, revealing only what he chooses in interviews.

What is Callum Woodhouse’s nationality?

Where is Callum Woodhouse from?

• Woodhouse was born in Stockton-on-Tees, Cleveland, England (Wikipedia).
• He grew up in the North East of England, an area known for its distinct regional identity and accent.

What is Callum Woodhouse’s accent?

• Woodhouse speaks with a natural North East England accent, sometimes called a “Geordie” or “Middlesbrough” accent depending on the specific area.
• In All Creatures Great and Small, he uses a more neutral standard English accent to fit the Yorkshire setting of the show (Radio Times).

Is Callum Woodhouse British?

• Yes, he is unequivocally British — born and raised in England (Wikipedia).
• His parents are both British: his father works as an engineer in the oil industry, and his mother is a nurse (Radio Times).

What this means: Woodhouse’s regional identity adds authenticity to his role, even though he modifies his accent for the screen.

How old is Tristan from All Creatures Great and Small?

How old is Callum Woodhouse?

• Born 7 January 1994, Woodhouse is 31 years old as of 2025 (Wikipedia).
• An Express report from January 2022 noted he was 27 at the time (Express).

How old is Tristan Farnon in the show?

• Tristan Farnon is portrayed as being in his mid-to-late 20s during the early seasons, making him close in age to Woodhouse himself.
• The character’s age is not explicitly stated in the series, but his status as a junior veterinarian-in-training suggests he is roughly 25-30.

When is Callum Woodhouse’s birthday?

• 7 January 1994 — making him a Capricorn (IMDb).
• His birth year places him in the Millennial generation, born toward the tail end of the cohort.

The trade-off: The close age match between actor and character helps Woodhouse play Tristan with natural youthful energy, but also means fans conflate the two — a common phenomenon for actors in iconic roles.

Why was Tristan written out of all creatures?

Did Callum Woodhouse want to leave All Creatures Great and Small?

• No. Woodhouse has not expressed a desire to leave the show. The departure was a creative decision driven by the show’s historical narrative (TV Insider).

What was the reason for Tristan Farnon’s exit?

• The show’s timeline advanced to World War II, and Tristan — like many young men of the era — was called up for service in the Royal Army Veterinary Corps (TV Insider).
• The real-life equivalent of Tristan, Brian Sinclair, also served in the war, grounding the storyline in fact (Express).

Is Callum Woodhouse returning to the show?

• Woodhouse returned for Season 6 in 2026, with Tristan on leave from the army (TV Insider).
• TV Insider reported that Woodhouse’s sixth-season Tristan initially appears lively and impish but is visibly changed by the war.
• His future beyond Season 6 has not been confirmed, leaving the possibility open.

How old is Siegfried Farnon supposed to be?

What is the age difference between Siegfried and Tristan Farnon?

• Siegfried Farnon is approximately 20-25 years older than Tristan in the series.
• This age gap mirrors the real relationship between Donald Sinclair (the real Siegfried) and his younger brother Brian Sinclair (the real Tristan).

How old is Samuel West?

• Samuel West, who plays Siegfried Farnon, was born in 1966, making him 58-59 years old during the show’s run.
• West was in his mid-50s when the series began in 2020.

What year was Siegfried Farnon born?

• The fictional Siegfried Farnon’s exact birth year is not stated in the series, but based on his portrayal as a middle-aged man in the 1930s and 1940s, he was likely born around 1890-1900.
• The age difference between Siegfried and Tristan is a key dramatic element, establishing Siegfried as a mentor figure (PBS Masterpiece).

The pattern: The age gap between the Farnon brothers creates the central tension of their relationship — Siegfried’s protective but exasperated mentorship versus Tristan’s irresponsible charm.

What is the age difference between Siegfried and Tristan Farnon?

How many years apart are Siegfried and Tristan?

• Approximately 20-25 years, placing Siegfried in his late 40s to early 50s during the early seasons, while Tristan is in his mid-20s.
• This gap is large enough to create a father-son dynamic, which is central to the characters’ relationship.

Is Tristan younger than Siegfried?

• Yes, Tristan is the younger brother, and his age difference is significant enough that Siegfried acts as both sibling and surrogate parent.

What are the ages of the Farnon brothers in the show?

• Siegfried: approximately 45-50 in the show’s early seasons.
• Tristan: approximately 25-30.
• These ages are inferred from the characters’ life stages — Siegfried as an established veterinary practice owner, Tristan as a trainee who still needs guidance.

The trade-off: The show’s casting of a younger actor for Siegfried in the original books and earlier adaptations versus the current older portrayal reflects changing interpretations of the character.

Confirmed facts

• Callum Woodhouse was born 7 January 1994 in Stockton-on-Tees, Cleveland, England (Wikipedia; IMDb).
• He plays Tristan Farnon in All Creatures Great and Small on PBS Masterpiece (PBS Masterpiece).
• He is not married as of 2025 (GB News).
• He is in a relationship with Jess Nickson and they have one child together (GB News).
• His acting career began in 2015 with the film B&B (IMDb).
• His parents are an engineer and a nurse (Radio Times).
• Tristan Farnon was written out of All Creatures Great and Small in 2023 due to a World War II storyline (TV Insider).
• Tristan returned for Season 6 in 2026 on leave from the Royal Army Veterinary Corps (TV Insider).
• Woodhouse is 6’2″ tall (IMDb).
• He completed his education at Stockton Sixth Form College (Wikipedia).

What’s unclear

• Whether Woodhouse will return for future seasons of All Creatures Great and Small beyond Season 6 (TV Insider).
• The exact age of the Tristan Farnon character in the series (estimated mid-to-late 20s but not explicitly stated) (Express).
• Details of Woodhouse’s weight or any weight gain/loss — not verified from any reliable source.
• Specific details of Woodhouse’s current other acting projects beyond All Creatures Great and Small.
• Woodhouse’s exact height measurement (source is IMDb, a tier-3 database) — not independently confirmed by a direct interview statement.
• Exact details of Woodhouse’s secondary education beyond Stockton Sixth Form College (attended but no graduation year verified).

In his own words

“I’m a big Harry Potter fan, but who’s an even bigger Harry Potter fan is my girlfriend and her family.”

— Callum Woodhouse in a PBS Masterpiece interview, sharing a personal detail about his relationship

Woodhouse admitted he was nervous about the role, fearing he might mess up the well-loved show, according to a Radio Times interview (Radio Times).

Speaking about his family, Woodhouse said his father works as an engineer in the oil business and his mother is a nurse; they were supportive but his father wanted him to have a Plan B (Radio Times).

On his character’s storyline in Season 6, Woodhouse noted that Tristan’s relationship with Charlotte helps his mental health and grounds him (GB News).

What these quotes reveal: Woodhouse brings genuine warmth to his interviews, speaking openly about his family, his nerves, and his character. His down-to-earth personality mirrors the charming but grounded nature of Tristan Farnon.

Summary

Callum Woodhouse’s career trajectory — from a North East England teenager with supportive parents to the beloved face of Tristan Farnon on one of PBS’s most-watched dramas — is a story of steady, earned success. The character’s wartime exit and return mirror the real historical arc of the Sinclair brothers, grounding All Creatures Great and Small in authenticity. For fans wondering whether Woodhouse will return beyond Season 6, the implication is clear: the narrative door remains open, and Woodhouse’s ongoing affection for the role suggests he’ll reprise Tristan whenever the story calls for it. For viewers invested in both the actor and the character, the separation between the two is refreshingly thin — which, in this case, only adds to the show’s enduring charm.

Frequently asked questions

Related reading

• Michelle Dockery: Biography and personal life — Another British period-drama star with a similar career trajectory.
• Julia Schlaepfer: Biography and 1923 role — A biographical profile of an actor in a period drama, sharing a similar audience.