as Georg
as Dr. Chris Brunner
as Watchman
as Adrian Holtau(1 ep)
as Jan Köhler(6 eps)
as Polizeioberkommissar Streckelmeyer(1 ep)
as Self(1 ep)
as Jens Brinkmann
as Johannes
as Werner Berger(1 ep)
as Patient(1 ep)
as Daniel Limbach(1 ep)
as Mark Deister(1 ep)
as Jakob
as Mann(40 eps)
as Simon
as Tobias Werther(1 ep)
as Daniel Hilgen(1 ep)
as Frank Bellmann(1 ep)
as Len
as Philipp Forster(1 ep)
as Texter
as Knut
as Self(1 ep)
as Peter Kerner
as Tom(13 eps)
as Paul Emerling(1 ep)
as Benjamin Marasek(12 eps)
as Boris Schmidt
as Basti
as Dagobert von Briest
as Bruno Licht(1 ep)
as Dr. Frederick Peyn(17 eps)
as Kai Tannhusen(1 ep)
as Ron Berenson(1 ep)
as Monorail Passenger (uncredited)
as Lutz Reimann(1 ep)
as Sven Junghans(1 ep)
as David(2 eps)
as Peter
as Tobias
as Felix Blom(1 ep)
as Bruno Lubanski
as Alex
as Dr. Nils Brokamp(1 ep)
as Dennis Rother(1 ep)
as Robin Stehlke(1 ep)
as Nico Pesch(1 ep)
as Rainer Hentschel, "Neo"(1 ep)