| First Name | Bill |
| Last Name | Irwin |
| Full Name at Birth | William Mills Irwin |
| Age | 61 |
| Date of Birth | April 11, 1950 |
| Birthplace | Santa Monica, California |
| Height | 5' 11½" (182 cm) |
| Build | Slim |
| Hair Color | Brown - Light |
| Star Sign | Aries |
| Ethnicity | White |
| Nationality | American |
| Occupation | Actor and clown |
| Occupation Category | Actor |
| Claim to Fame | Eight Men Out |
William Mills "Bill" Irwin (born April 11, 1950) is an American actor and clown noted for his contribution to the renaissance of American circus during the 1970s. He is known for his vaudeville-style stage acts, but has made a number of appearances on film and television and won a Tony Award for a dramatic role on Broadway. He is known by children as Mr. Noodle on Sesame Street's Elmo's World.
Selected Bill Irwin film and TV show credits: