Dr. Jens Leyendecker (39 episodes, 2000-2002)
Dr. Marcel Plenzdorff (38 episodes, 2000-2002)
Dr. Daniel Thies (30 episodes, 2000-2002)
Dr. Claudia Jungblut (27 episodes, 2000-2002)
Yvonne Hoyer (26 episodes, 2000-2002)
Dr. Julia Ritter (23 episodes, 2000-2002)
Prof. Dr. Ulrich Bischoff (19 episodes, 2000-2002)
Dr. Andreas Hauff (12 episodes, 2000)
Dr. Ho-An Lee (11 episodes, 2001)
Oberschwester Ayfer Sükür (11 episodes, 2001)
Dr. Barbara Wendland (11 episodes, 2000)
Oberschwester Katharina Schell (10 episodes, 2000)
Sekretärin Klein (9 episodes, 2000-2001)
Dr. Karim Busch (6 episodes, 2000)
Werner Hoffmann (6 episodes, 2002)
Maria Langer / Lernschwester Maria (5 episodes, 2001-2002)
Dieter Bach (4 episodes, 2000-2002)
Susanne Hauff (4 episodes, 2000)
Renate Leyendecker (4 episodes, 2001)
Angelika von Thum (4 episodes, 2002)
Neonazi (3 episodes, 2001-2002)
Hubertus Brandt (2 episodes, 2000)
Luisa Jungblut (2 episodes, 2000)
Vater Thies (2 episodes, 2000)
(2 episodes, 2000)
Phil / Phil Hansen (2 episodes, 2001)
Wengert (2 episodes, 2002)
Eva Wesendonk (2 episodes, 2002)
Hennes Weise (2 episodes, 2002)
Harald Kromski (1 episode, 2001)
Herr Luther (1 episode, 2001)
Self (1 episode, 2000)
Ben Caspary (1 episode, 2000)
Friedrich Heine (1 episode, 2000)
Vera Cordes (1 episode, 2000)
Lilo Bender (1 episode, 2000)
(2000) (1 episode, 2000)
Lonnie (1 episode, 2000)
Mr. X (1 episode, 2000)
DJ Sky (1 episode, 2000)
Heidi (1 episode, 2000)
(1 episode, 2000)
Steffen (1 episode, 2000)
Themselves (1 episode, 2000)
Carla Wedekind (1 episode, 2000)
Drogenabhängiger (1 episode, 2000)
(1 episode, 2001)
Jeanette Esser (1 episode, 2001)
Notarzt (1 episode, 2001)
Frau Brandt (1 episode, 2001)
ER Patient (1 episode, 2001)
Self (1 episode, 2001)
Gesa Jaeckel (1 episode, 2002)
Victor Kortner (1 episode, 2002)
Rainer Pixel (1 episode, 2002)
Bernhard Wagner (1 episode, 2002)
Joachim Kamphausen (1 episode, 2002)
Uschi Stern (1 episode, 2002)
(1 episode, 2002)
Hildegard Pawlicek (1 episode, 2002)
Herrmann Pawlicek (1 episode, 2002)
Eberhard Senft (1 episode, 2002)
Oberstabsarzt Dr. Robert Herz (1 episode, 2002)
Georg Brenner (1 episode, 2002)
Jacob (1 episode, 2002)
Myriam Plettner (1 episode, 2002)
Manfred Dittrich (1 episode, 2002)
Ernst Hofer (1 episode, 2002)
Ines Kortner (1 episode, 2002)
Johannes Jordan (1 episode, 2002)
Pfarrer Wichart Plettner (1 episode, 2002)
Schwester Filiz (1 episode, 2002)
Ramen De (1 episode, 2002)
Walter Ebel (1 episode, 2002)
Basma (1 episode, 2002)
Thomas Schrader (1 episode, 2002)
Matthias Kemper (1 episode, 2002)
Guido Zielke (1 episode, 2002)
Tilmann Grüsser (1 episode, 2002)
Marie Wagner (1 episode, 2002)
Schwester Nathalie (unknown episodes)
Betriebsarzt (unknown episodes)