Richard Mark Bonnar, born on 19 November 1968, is a highly regarded Scottish actor whose commanding presence and versatility have made him a familiar face across British television and beyond. He is best known for his compelling performances in a wide array of critically acclaimed dramas, including his roles as Max in Guilt, Duncan Hunter in Shetland, and Detective Chief Constable Mike Dryden in Line of Duty. Bonnar’s ability to inhabit complex, morally ambiguous characters has earned him a reputation as one of the most reliable and skilled character actors of his generation.

Bonnar’s early life and path to acting began in Scotland, though details of his upbringing remain private. He pursued his passion for performance at the Royal Scottish Academy of Music and Drama, where he honed his craft before embarking on a professional career. His early work included stage roles and guest appearances on television, gradually building a solid foundation. He gained early attention for his role as Bruno Jenkins in the long-running medical drama Casualty and later showcased his dark comedic talents as Detective Finney in the cult series Psychoville from Reece Shearsmith and Steve Pemberton. These roles demonstrated his range, moving from straightforward dramatic parts to more eccentric and unsettling characters.

Bonnar’s career reached a new level of prominence with his role in the hit police corruption series Line of Duty, where he played the formidable and enigmatic DCC Mike Dryden in the third series. His performance was widely praised for its subtle menace and ambiguity, cementing his status as a sought-after actor in high-stakes drama. He followed this with a standout turn in the crime series Unforgotten, playing Colin Osborne, a man whose past comes back to haunt him in the show’s second series. His work on the Scottish crime drama Shetland as Detective Inspector Duncan Hunter further showcased his ability to anchor a series with quiet intensity. In the historical mystery series Dept. Q, he played Stephen Burns, the Lord Advocate, adding another complex authority figure to his repertoire.

Beyond television, Bonnar has made significant contributions to video games, lending his distinctive voice and motion capture to major titles. He is perhaps best known in the gaming world for his dynamic portrayal of the legendary pirate Blackbeard in Assassin’s Creed IV: Black Flag, a performance that brought depth and charisma to the character. He also voiced the character Townsend in the World War I video game Battlefield 1, demonstrating his versatility in the medium. In television, he appeared in the period drama Summer of Rockets, playing the character Field, further proving his ability to work across genres and eras. With a career defined by memorable, often pivotal roles in some of the most celebrated British television series of the past two decades, Mark Bonnar continues to be a respected and active presence in the entertainment industry.