Hans-Werner Meyer

as Self (1 episode)

as David

as Manuel Buchmayer (1 episode)

as Ferdinand Hochheim

as Self (1 episode)

as Self (1 episode)

as Andreas Funk

as Frank Berndssen

as Harry Goodwin (2 episodes)

as Oliver Radek (150 episodes)

as Rolf Schmidtbauer

as Robert von der Heyden

as Michael Schäffer

as Jacques Oberländer

as Ewe

as Robert

as Hannes Hogland

as Dr. Steinfurt

as Leppel

as Eric Winter

as Dr. Erik Hals

as Prof. Dr. Bieler (1 episode)

as Self (1 episode)

as Dr. Erik Hals

as Peter Schiller