| First Name | Mark |
| Middle Name | Alan |
| Last Name | Ruffalo |
| Full Name at Birth | Mark Alan Ruffalo |
| Age | 44 |
| Date of Birth | November 22, 1967 |
| Birthplace | Kenosha, Wisconsin, USA |
| Height | 5' 9" (175 cm) |
| Build | Average |
| Eye Color | Brown - Dark |
| Hair Color | Black |
| Star Sign | Scorpio |
| Ethnicity | White |
| Nationality | American |
| High School | First Colonial High School, Virginia Beach, Virginia, USA |
| University | Stella Adler Conservatory in Los Angeles, California |
| Occupation Category | Actor |
| Claim to Fame | 13 Going on 30 |
| Brother(s) | Scott |
| Sister(s) | TaniaNicole |
| Friends | Heath Ledger, Gael Garcia Bernal |
Mark Alan Ruffalo (born November 22, 1967) is an American actor, director, producer and screenwriter. He has worked in films including Eternal Sunshine of the Spotless Mind, Zodiac, Shutter Island, Just Like Heaven, You Can Count on Me and The Kids Are All Right for which he received an Academy Award nomination for Best Supporting Actor.
Selected Mark Ruffalo film and TV show credits: