Mark Sheffield
| Year | Cartoon | Series | Credit |
|---|---|---|---|
| 2009 | Coraline | Laika Entertainment | Sound Mix Technician (uncredited) |
| 2009 | Planet 51 | Worldwide Biggies | Sound Mix Technicians (uncredited) |
| Year | Cartoon | Series | Credit |
|---|---|---|---|
| 2009 | Coraline | Laika Entertainment | Sound Mix Technician (uncredited) |
| 2009 | Planet 51 | Worldwide Biggies | Sound Mix Technicians (uncredited) |