Pelle Staacken was born in Berlin in 2014. In 2018, he appeared in his first commercial alongside his twin sister Merle. After that he appeared in more commercials and had supporting roles in episodes of the TV series "Ein starkes Team" (2021), "Lauchhammer" (2021), "SOKO Potsdam" (2022), and "Lamia" (2022). In 2022, he landed a leading role in the feature film "Lassie - Ein neues Abenteuer" ("Lassie - A New Adventure") as the new companion of the protagonist Florian and his dog Lassie. The film was released in the summer of 2023.