| First Name | Sydney |
| Last Name | Lassick |
| Other Names | Sidney Lassick |
| Age | 80 (age at death) |
| Date of Birth | July 23, 1922 |
| Birthplace | Chicago, Illinois |
| Date of Death | April 12, 2003 |
| Location of Death | Los Angeles, California, USA |
| Cause of Death | (diabetes) |
| Height | 5' 5" (165 cm) |
| Build | Average |
| Hair Color | Salt and Pepper |
| Star Sign | Cancer |
| Ethnicity | White |
| Nationality | American |
| Occupation Category | Actor |
| Claim to Fame | One Flew Over the Cuckoo`s Nest |
Sydney Lassick (July 23, 1922 – April 12, 2003) was an American actor perhaps best known for his role as Charlie Cheswick in the feature film One Flew Over The Cuckoo's Nest. (His first name was sometimes spelled Sidney.)
Selected Sydney Lassick film and TV show credits: