| First Name | Mark |
| Last Name | Addy |
| Full Name at Birth | Mark I. Addy |
| Age | 48 |
| Date of Birth | January 14, 1964 |
| Birthplace | York |
| Height | 5' 10" (178 cm) |
| Build | Large |
| Eye Color | Blue |
| Hair Color | Brown - Light |
| Star Sign | Capricorn |
| Ethnicity | White |
| Nationality | English |
| University | Royal Academy of Dramatic Art |
| Occupation Category | Actor |
| Claim to Fame | Dave in |
| Official Website | markaddy.com |
Mark Addy Johnson (born 14 January 1964) is an English actor, best known for his roles as Detective Constable Gary Boyle in the UK sitcom The Thin Blue Line, Dave in the British film The Full Monty and father Bill Miller in the US sitcom Still Standing
Selected Mark Addy film and TV show credits: