Stephan Kampwirth

as Christoph Angermeier

as Stefan

as Armin Thies (7 episodes)

as Lilo Wanders

as Michael Schuchardt

as Max

as Dr. Viktor Larenz (6 episodes)

as Thomas

as Tom

as Fritz Zielke

as Veit Rhees (6 episodes)

as Viktor van de Veede

as Carsten Gellhaus

as Jessicas Vater

as Frank

as Michael Winter

as Florian Geissler (1 episode)

as Peter Doppler (26 episodes)

as Thorsten Schmidt (2 episodes)

as Andreas

as Dr. Richard Freese (4 episodes)

as Philipp Röver

as Dr. Simon Burmeister (2 episodes)

as Birger Hansmann (12 episodes)

as Franks Vater