Petra Glunz-Grosch is a German voice actress based in Cologne, Germany, known for her extensive work in dubbing, particularly for anime series and films. With a career spanning over two decades, she has lent her voice to a wide array of characters in animation, video games, and live-action productions. Her dubbing work is characterized by a broad range, from main characters to numerous supporting and episodic roles.

One of her notable contributions to anime is the role of Mai Horaguchi in the German dubs of the comedy series Animation Runner Kuromi (2001) and its sequel, Animation Runner Kuromi 2 (2004). In these productions, which were dubbed for the German market in 2008, she voices the character originally performed by Mayumi Misawa in Japanese. This role highlights her involvement in bringing niche and fan-favorite anime to a German-speaking audience.

Glunz-Grosch's voice can be heard in a multitude of other prominent anime titles. She is the German voice of Gracia Hughes in Fullmetal Alchemist (2003) and its film Conqueror of Shamballa, as well as in Fullmetal Alchemist: Brotherhood. In the popular series Death Note, she voices Sachiko Yagami, the mother of the main character Light Yagami. Her other significant anime credits include roles as Flora Lowe in Babylon, Neera in Dance in the Vampire Bund, Annie in Darker than Black, Queen Elmyr in Scrapped Princess, Diana Rubens in Spice and Wolf II, Mariko Jinnouchi in Summer Wars, Shiemi's mother in Blue Exorcist, and Hanae Yuiga in We Never Learn.

Beyond anime, her work demonstrates frequent collaboration with specific dubbing directors and studios, often leading to recurring roles across different projects. For instance, she has voiced multiple characters in the long-running series Call the Midwife - Ruf des Lebens and Doctor Who. Her voice is also recognizable to gamers, having provided the German voice for characters such as Azula and Katara's mother in the video game Avatar: Der Herr der Elemente – Die Erde brennt, and several roles in Lula 3D. In the children's media sector, she is known for voicing characters like Birgit, Christina Columbus, and Pia Pegg in the Schiffe bauen mit Willy Werkel game and has been a narrator for audiobooks, such as Die Zauberkicker, Folge 6. A notable and long-running role is her voice work as Mama Wutz in the German version of the popular children's series Peppa Wutz.

With 75 credited voice roles listed in the Deutsche Synchronkartei, Petra Glunz-Grosch stands as an established and prolific figure in German dubbing. Her consistent work across a wide variety of genres, from mainstream anime like Dragon Ball to acclaimed series like Fullmetal Alchemist, underscores her versatility and enduring presence in the industry.