Lutz Hoffmann (6 episodes, 2006-2007)
Helmut Petersen (2 episodes, 2004)
Valentin Hofmann (unknown episodes, 2002)
Hannes (4 episodes, 1984)
Müller II (4 episodes, 1984)
Arno Kern / ... (6 episodes, 1978-2002)
Jürgen Schirmer / ... (4 episodes, 1976-1991)
Albert Krugmann / ... (4 episodes, 1969-1975)