| Siemen Rühaak | Dr. Christian Roehrs [DHR] | |
| Sigmar Solbach | Dr. Stefan Frank [DHR] | |
| Alfons Biber | Louis Brunnacker [HR] | |
| Christiane Brammer | Marie-Luise Flanitzer [HR] | |
| Hermann Giefer | Konrad Brehm [HR] | |
| Dorothée Reize | Dr. Ruth Waldner [HR] | |
| Daniela Strietzel | Dr. Susanne Berger [HR] | |
| Erna Wassmer | Martha Brunnacker [HR] | |
| Claudia Wenzel | Irene Kadenbach [HR] | |
| Christian K. Schaeffer | Eishockeytrainer [EHR] | |
| Patricia Lueger | Sonja Offenberg [DNR] | |
| Jana Schölermann | Iris [DNR] | |
| Eleonore Daniel | Laborantin [NR] | |
| Andreas Jung | Cehf [NR] | |
| Christopher Krieg | Harry [NR] | |
| Cecilia Kunz | Laura Sommerfeld [NR] | |
| Jörg Vincent Malotki | Hans [NR] | |
| Bärbel Strecker | Claudia [NR] | |
| Ursula-Maria Rehm | Elisabeth Gronau [ENR] | |
| Alfred Urankar | Manager (Folge 174) [ENR] | |
| Ralf Komorr | Kröger/ Hotelchef [TR] | |
