Horst Naumann

as Self

as Albert Blackwood

as Self (1 episode)

as Self

as Dr. Römer

as George Page

as Self (1 episode)

as Self (2 episodes)

as Gordon Willis

as Self (4 episodes)

as Markus Wenger (1 episode)

as Stadler (2 episodes)

as Self (1 episode)

as Carl Schoenwitz

as Dr. Trepkau (1 episode)

as Self (1 episode)

as Dr. Römer

as Self (2 episodes)

as Hendrik Melchert (1 episode)

as Terry Wilde

as Dr. Römer (70 episodes)

as Horst Schröder (58 episodes)

as Bernd Kuiper (1 episode)