Mark Stanley was born on 29 April 1988 in Leeds and is a citizen of the United Kingdom. He received his secondary education at Allerton High School and at Prince Henry's Grammar School, Otley, before going on to train at the Guildhall School of Music and Drama. These years of formal study prepared him for a career conducted in English across multiple areas of performance and production.

Stanley works as a stage actor, a film actor, and a television actor, bringing him into contact with the principal performance platforms available to practitioners in his field. Alongside this performing work, he is also a lighting designer, a discipline that places him on the technical and creative side of production as well as in front of audiences. This combination of roles means his professional engagement extends beyond performance alone.

The Library of Congress Name Authority File records him under the authorized label "Stanley, Mark, 1988-", reflecting his established presence in professional and archival contexts. As a United Kingdom citizen, Stanley continues to work across stage, film, and television, while his practice as a lighting designer marks him as someone active on more than one side of theatrical production.