| Name | Character | Episodes |
|---|---|---|
| Boris Becker | Self - Host | 7 |
| Alicia Keys | Self | 1 |
| Wladimir Klitschko | Self | 1 |
| Verona Pooth | Self | 1 |
| John McEnroe | Self | 1 |
| Name | Character | Episodes |
|---|---|---|
| Boris Becker | Self - Host | 7 |
| Alicia Keys | Self | 1 |
| Wladimir Klitschko | Self | 1 |
| Verona Pooth | Self | 1 |
| John McEnroe | Self | 1 |