| Name | Type | Role | |
|---|---|---|---|
| Natalie Maines | Musical Guest | Dixie Chicks | |
| Yuliya Volkova | Musical Guest | t.A.T.u. | |
| Emily Robison | Musical Guest | Dixie Chicks | |
| Lena Katina | Musical Guest | t.A.T.u. | |
| Martie Maguire | Musical Guest | Dixie Chicks | |
| Jessica Schwarz | Guest Star | Self | |
| Udo Jürgens | Guest Star | Self | |
| Rowan Atkinson | Guest Star | Self | |
| Rudi Völler | Guest Star | Self | |
| Marco Rima | Guest Star | Self | |
| Andrea Bocelli | Guest Star | Self | |
| Daniel Küblböck | Guest Star | Self | |
| Armin Rohde | Guest Star | Self | |
| Katharina Böhm | Guest Star | Self | |
| Alfons Schuhbeck | Guest Star | Self | |
| Geraldine Chaplin | Guest Star | Self |