Michael von Au

as Klaus Leibold (1 episode)

as Sol

as Jack Rukin

as Richard (13 episodes)

as Robber

as Gatti

as Nessel

as Thorsten Jurgeleit (1 episode)

as Frederick Quentin

as Matthias Dierksen

as Self (1 episode)

as Dr. Peter Hauser

as Charly Schröder (1 episode)

as Daniel Roth

as Nick Grasshoff

as Max Feldkamp

as Bassiano

as Alexander Reichenbach (2 episodes)

as Reiner Marthaler (1 episode)

as Dr. Matthias Hellberg (1 episode)

as Hans (1 episode)

as Dr. Michael Mangold

as Jacob Dankovsky

as Marc Paulcke

as Prof. Leonhard Bülow (1 episode)