Peter Flechtner is a German actor and voice actor born on January 18, 1963. He trained at the Schauschule von Maria Körber in Berlin and has appeared in on-screen roles in productions such as Schindlers Liste and television series like Tatort and Rosa Roth. However, he is primarily known for his extensive work in dubbing, providing the German voice for numerous international actors, including Ben Affleck, David Harbour, and Matt Damon.

Within the realm of anime and animation, Flechtner has lent his voice to a wide array of characters. He is the German voice of the iconic gentleman thief Arsène Lupin III across multiple Lupin III productions, including the films Lupin III: Dragon of Doom, Lupin III: The Pursuit of Harimao's Treasure, Lupin III: Voyage to Danger, Lupin III THE FIRST, and Lupin the IIIrd: Jigen's Gravestone. He also voiced the character in the crossover film Lupin III vs. Detective Conan The Movie.

Another prominent role is that of Commander Erwin Smith in the popular series Attack on Titan, a part he has voiced in various installments including the films Attack on Titan: The Roar of Awakening and Attack on Titan Part 1 – Guren no Yumiya. His other notable anime roles include the mysterious Meme Oshino in Bakemonogatari, the professor Alexis Leskinen in Steins;Gate 0, and the villainous Re-Destro in My Hero Academia. More recently, he has voiced Byakuya Ishigami in Dr. Stone: New World.

His work spans a variety of other series and films. He is the voice of Yevgraf in Sirius the Jaeger, Beets in Dragon Ball Super: Broly, and Jisai Kanemaki in Orient. He has also appeared in the anime film In This Corner of the World as Juurou, in the series revisions as Ryouhei Kuroiwa, and in the film Batman Ninja as Batman. Beyond anime, his voice can be heard in productions like Starship Troopers: Traitor of Mars as Colonel Johnny Rico and the cyberpunk series Cyberpunk: Edgerunners as Delamain.

In addition to his screen dubbing work, Peter Flechtner is active in the German audio drama scene, having performed in numerous productions, including series like John Sinclair Classics, Vidan, and Hurricane.