- Hans Strydom (Dr. At Koster)
- Reynardt Hugo (Dr. Tertius Jonker)
- Germandt Geldenhuys (Louis Koster)
- Je-ani Swiegelaar (Naomi Koster)
- Kate Roothman (Dr. Nicolette Nortjé)
- Gerald Steyn (Dr. Uys Wagener)
- Marlee van der Merwe (Dr. Ella Swart)
- Roberto Kyle (Dr. Joe Olivier)
- Melinda Viljoen (Tracy Jonker)
Binnelanders — S4E123
Episode: Episode 123
Air Date: 2008-10-24