Mia / Mia Akerlund (12 episodes, 2020-2021)
Prof. Tanja Lorenz / Tanja Lorenz (12 episodes, 2020-2021)
Niklas (12 episodes, 2020-2021)
Jasper (12 episodes, 2020-2021)
Chen-Lu (12 episodes, 2020-2021)
Lotta / Lotta von Fürstenberg (12 episodes, 2020-2021)
Ole (12 episodes, 2020-2021)
Dr. Andreas Winter / Andreas Winter (8 episodes, 2020-2021)
Baron von Fürstenberg (6 episodes, 2021)
Niklas (6 episodes, 2020)
Uli von Fürstenberg (6 episodes, 2021)
Little Mia / Emma Engles / Emma Engels (5 episodes, 2020)
Mother at Ice (4 episodes, 2020)
Father Engels (4 episodes, 2020)
Ben Engels (4 episodes, 2020)
Monique (4 episodes, 2020)
Little daughter (4 episodes, 2020)
Business Woman (3 episodes, 2020)
Colleague (3 episodes, 2020)
Passenger (3 episodes, 2020)
Mother Engels (2 episodes, 2020)
Petra Eller (2 episodes, 2020)
Grandmother Engels (2 episodes, 2020)
Doppel-Felix (1 episode, 2020)
Policewoman (1 episode, 2020)
Caregiver Nursing Home (1 episode, 2020)
Dr. Schudo (1 episode, 2020)
Arnold K. Schumann (1 episode, 2020)
Double Felix (1 episode, 2020)
(Student 1) (1 episode, 2020)
Mr. Binder (1 episode, 2021)
Lars (1 episode, 2021)
Hospital staff (uncredited) (1 episode, 2021)
Youtuber (uncredited) (1 episode, 2021)