| Actor | Role |
|---|---|
 Walter SittlerDr. Robert Thelen | Dr. Robert Thelen |
 Anja KlingSarah Linde | Sarah Linde |
 Michael RollProf. Dr. Rainer Bach | Prof. Dr. Rainer Bach |
 Jasmin GeratSusanna Bach | Susanna Bach |
 Jaecki SchwarzDr. Lorenz Amman | Dr. Lorenz Amman |
 Gila von WeitershausenNot listed | Not listed |
 Alexander DudaNot listed | Not listed |
 Regine LutzNot listed | Not listed |
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