Bela Klentze is a German actor and voice actor born on July 25, 1988, in Munich, Germany. He began his acting career as a child, making his first appearance at the age of eleven as a young thief in the long-running German crime series Tatort. He later appeared in the 2001 film Nirgendwo in Afrika (Nowhere in Africa), which won the Academy Award for Best Foreign Language Film in 2002.

At sixteen, while training at the International School for Drama and Acting in Munich, Klentze gained recognition for playing the lead role of Moritz "Mo" in the Disney Channel sitcom Disney's Kurze Pause. He also worked for Disney in the United States. From 2008 to 2009, he held a main role in the telenovela Wege zum Glück. Between 2011 and 2013, he played a lead role in the daily soap opera Unter uns, where the character was written specifically for him and shared his first name. For this performance, he was nominated for Best Newcomer at the German Soap Awards in 2011. In 2016, he began a four-year run playing Ronny Bergmann on another German daily soap, Alles was zählt. In 2018, he competed as a dancer on the German television show Let's Dance.

Since 2014, Klentze has worked extensively as a voice actor, dubbing foreign films and television series for the German market. His voice work includes dubbing roles in productions such as American Sniper and Game of Thrones, for which he voiced three different minor characters in the fifth and sixth seasons, including a slave master.

Klentze has stated that his favorite voice role is the character Gieve in the anime series The Heroic Legend of Arslan. He voiced Gieve, a wandering red-haired poet and musician who is also a versatile and strategic fighter, in the German dub of the 2015 anime adaptation. His other anime voice roles include Yuuji in Seraph of the End and a vampire lord in the same series. Additional voice credits include dubbing roles in the series Bosch, Die Zauberer vom Waverly Place, and the film City of McFarland.