Hedda Erlebach, born in 2006, was introduced to acting by her mother, actress and dubbing artist Carmen Katt. She worked as a dubbing artist for the German language versions of Richard Linklater's "Before Midnight" (US 2013) and the TV series "Sherlock" (GB 2014). She gave her debut as an actor in the third season of the TV series "Weissensee" (2015) playing the main character's daughter who was switched at birth. Following this, she starred in supporting roles of several other TV series such as "Der Bergdoktor" and "Letzte Spur Berlin" and played a key role as the victim of a medical error in the TV drama "Götter in Weiß" (2017). She has been continuously working as a dubbing actor for films such as "Burnt" (US 2015) and "The Wizard of Lies" (US 2017).

In 2017, she appeared on the big screen for the first time, playing a supporting role as a young athlete in "Die Anfängerin" ("The Beginner"). She then starred in the lead role of "Hexe Lilli rettet Weihnachten" ("Lilly the Witch Saves Christmas"), which was released in German cinemas in November 2017.