Alex Online
| Series cast summary: | |||
 | Karin Baal | - | Herself 1 episode, 1991 |
 | Freimut Duve | - | Himself 1 episode, 1991 |
| Eckart Werthebach | - | Himself 1 episode, 1991 |
| Regine Hildebrandt | - | Herself 1 episode, 1992 |
 | Charlotte Kerr | - | Herself 1 episode, 1992 |
| Werner Schulz | - | Himself 1 episode, 1992 |