Saskia Heckler is a German voice actress known for her extensive work in the dubbing of Japanese anime series for the German-language market. She was born in Hamburg in 1975 and is the daughter of actor Michael Weckler; she sometimes works under the professional name Saskia Bellahn. Heckler began her career in synchronization at the age of nine and has since built a substantial filmography spanning from the 1990s to the present day.

In the realm of anime, one of her early and notable roles was providing the German voice for Nanami Simpson in the series Tico and Friends, known in German as Tico - Ein toller Freund. This series follows the adventures of a young girl named Nanami who lives on a research vessel with her father as they search for a legendary glowing whale.

Heckler is widely recognized for her long-running role as the voice of Tenten, a kunoichi from the Hidden Leaf Village, across the German versions of the Naruto franchise, including Naruto, Naruto Shippuden, and Boruto: Naruto Next Generations, as well as the associated films. Her other prominent anime voice credits include Yakumo Tsukamoto in School Rumble, Mary Saotome in Kakegurui, Mirai Kuriyama in Beyond the Boundary, Lily Hoshina in B: The Beginning, and Nio Hashiri in Riddle Story of Devil. She also voiced Cloud in Wedding Peach, Tweedledee in Kiddy Grade, and contributed to the German dub of I've Been Killing Slimes for 300 Years and Maxed Out My Level.

Beyond her anime work, Heckler has a career in general voice acting and audio plays. Early in her career, she voiced Anna von Schlotterstein in the television series Der kleine Vampir and was the German voice for Laura Ingalls Wilder, played by Melissa Gilbert, in the long-running series Unsere kleine Farm. She also voiced Kim Bauer in the series 24.