Mark Stanley Wiki, Height, Age, Parents, Siblings, Net Worth, Career, Adolescence
Mark Stanley Wiki, Biography
Mark Stanley, born Mark Robert Speight on 29 April 1988, is an English actor widely recognized for his role as Grenn in Game of Thrones. He has also gained attention for performances in Dickensian, Happy Valley (Series 3), Trigger Point, and the 2025 mini-series Adolescence.
Mark Stanley Height | Weight
Mark Stanley is approximately 5 ft 10 in (1.78 m) tall and weighs around 70 kg (154 lbs).
Mark Stanley Age
Born on 29 April 1988 in Leeds, he is 37 years old as of 2025.
Mark Stanley Parents | Siblings | Relatives
He was raised in Leeds and attended Allerton High School and Prince Henry’s Grammar School in Otley. Details about his parents and siblings are not publicly available.
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Mark Stanley Net Worth
As of 2025, his estimated net worth is between $500,000 and $1 million.
Mark Stanley Partner | Relationship
Mark Stanley is in a long-term relationship with Rochenda Sandall, known for her roles in Line of Duty and The Rig. The couple reportedly live together in North London.
Mark Stanley's Educational Background
He trained at the Guildhall School of Music and Drama, graduating in 2010.
Mark Stanley Adolescence
During his teenage years in Leeds, Stanley attended Allerton High School and later Prince Henry’s Grammar School in Otley, where he first developed an interest in acting. His early involvement in school performances helped shape his ambition to pursue acting professionally. In Adolescence, he appears alongside:
- Stephen Graham
- Ashley Walters
- Faye Marsay
- Christine Tremarco
- Owen Cooper
Mark Stanley Job | Career | Biography
After graduating, Stanley landed his breakthrough role as Grenn in Game of Thrones (2011–2014). He later portrayed Bill Sikes in Dickensian (2015–2016), Rob Hepworth in Happy Valley (Series 3), and DI Thom Youngblood in Trigger Point.
His other television credits include Broken, Sanditon, Anne Boleyn (as Henry VIII), The Bay, The Thief, His Wife and the Canoe, The Reckoning, and Adolescence (2025).
In film, he has appeared in How I Live Now, Mr. Turner, Kajaki, Our Kind of Traitor, Euphoria, Dark River, Hellboy, Run, Sulphur and White, and The Settlers.
Mark Stanley Twitter, Facebook, and Instagram
Mark Stanley is active on Instagram, where he shares occasional personal and professional updates. He maintains a low profile on other social media platforms. On his Instagram Account, he has about 1597 Followers, whereas on his X(Twitter) Account, he has about 3039 Followers, and around 3.8 K Followers on his Facebook Page. Below are links to visit his/her social media accounts.

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