| First Name | Treat |
| Last Name | Williams |
| Full Name at Birth | Richard Treat Williams |
| Age | 60 |
| Date of Birth | December 1, 1951 |
| Birthplace | Rowayton, CT |
| Height | 5' 10" (178 cm) |
| Build | Average |
| Eye Color | Blue |
| Hair Color | Brown - Dark |
| Star Sign | Sagittarius |
| Ethnicity | White |
| Nationality | American |
| High School | Kent School, Kent, CT |
| University | Franklin and Marshall College (1973) |
| Occupation Category | Actor |
| Claim to Fame | Prince of the City |
Richard Treat Williams (born December 1, 1951) is a Screen Actors Guild Award-nominated American actor who has appeared on film, stage and television. From 2002 to 2006, he was the star of the television series Everwood.
Selected Treat Williams film and TV show credits: