Mark Keller

Mark Keller, born in Überlingen, Germany, is a versatile actor and singer. He is widely recognized for his roles in German television series like "Alarm für Cobra 11" and "Der Bergdoktor". As a singer, Keller performs German pop and Schlager music, with albums such as "Mein kleines Glück" and "Songs of My Life". He gained further recognition on "The Masked Singer Germany" and has collaborated with his son, Aaron Keller.