Haupt-Charaktere
- Meredith Grey
- Staffel 1 - 4
- Derek Shepherd
- Staffel 1 - 4
- Dr. Richard Webber
- Staffel 1 - 4
- George O'Malley
- Staffel 1 - 4
- Cristina Yang
- Staffel 1 - 4
- Isobel "Izzie" Stevens
- Staffel 1 - 4
- Miranda Bailey
- Staffel 1 - 4
- Preston Burke
- Staffel 1-3
- Alex Karev
- Staffel 1 - 4
- Addison Montgomery Shepherd
- Staffel 2 - 3
- Mark Sloan
- Staffel 3 - 4
- Callie Torres
- Staffel 2 - 4
