Uncle Leo
| Use attributes for filter ! | |
| Portrayed by | Len Lesser |
|---|---|
| First appearance | The Pony Remark |
| Last appearance | The Finale |
| Relatives | Jerry Seinfeld |
| nephew | |
| niece | |
| Family | Helen Seinfeld |
| Creators | Jerry Seinfeld |
| Larry David | |
| Relat | Helen Seinfeld |
| Jerry Seinfeld | |
| nephew | |
| niece | |
| Signific other | Lydia |
| Last appear | The Finale |
| Played by | David Callan |
| Seymour Cassel | |
| George Murdock | |
| Frank Sivero | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 704073 |
About Uncle Leo
Uncle Leo is a fictional character portrayed by Len Lesser in the American sitcom Seinfeld. Leo is the character Jerry Seinfeld's uncle. Uncle Leo made his debut in the second-season episode "The Pony Remark" and appeared in at least one episode in each of the subsequent seasons through the show's nine-season run.