- Jörg Langer
- Â Fox Mulder 3 episodes, 1998-1999
- Ariane Krensing
- Â Dana Scully 3 episodes, 1998-1999
- Gunnar Lott
- Â Agent Lott 3 episodes, 1998-1999
- Mick Schnelle
- Â Prof. Dr. Test 3 episodes, 1998-1999
- Charles Glimm
- Â The Assassin 3 episodes, 1998-1999
- Christian Schmidt
- Â CSI Christiansen 2 episodes, 1998-1999
- Peter Steinlechner
- Â CSI Steinlechner 1 episode, 1999
- Toni Schwaiger
- Â CGB Spender 1 episode, 1999
