| First Name | Billy |
| Last Name | Wirth |
| Full Name at Birth | William E. Wirth |
| Age | 49 |
| Date of Birth | June 23, 1962 |
| Birthplace | New York |
| Height | 5' 11" (180 cm) |
| Build | Athletic |
| Eye Color | Brown - Dark |
| Hair Color | Brown - Dark |
| Star Sign | Cancer |
| Ethnicity | Multiracial |
| Nationality | American |
| High School | Collegiate Prep School in Manhattan |
| University | Brown University |
| Occupation Category | Actor |
William E. "Billy" Wirth (born June 23, 1962) is an American actor, film producer, and artist, perhaps best known for his role in the 1987 film, The Lost Boys.
Selected Billy Wirth film and TV show credits: