Phillip Sponbiel is a German actor and voice talent known for his work in the German dubbing industry. Born in Cologne in 1980, he studied dramatic arts at the Theaterakademie Köln from 1999 to 2003 and later participated in specialized workshops for synchronization and film acting. After performing in various theaters across Germany, he relocated to Berlin, where he became active in independent films and voice-over work. His voice is characterized as a baritone, and he is a native German speaker who also speaks English fluently.

In the field of anime voice acting, Sponbiel has provided German voices for several notable series. He is recognized for the role of Sounosuke Izayoi in Danganronpa 3: The End of Hope's Peak High School Future Arc. His other anime voice credits include the character Tanaka in BNA: Brand New Animal, as well as roles in Concrete Revolutio and Aura: Koga Maryuin's Last War.

Beyond anime, Sponbiel has an extensive list of dubbing credits for live-action films and television series. He has provided German voices for actors such as Chris Hemsworth in the film Come back, Mr. Dundee, and for actors in series including Supergirl, Better Call Saul, and The Rookie. His work also encompasses a wide range of voice roles for films like Violation and American Fiction.

In addition to his voice work, Sponbiel has maintained a career in front of the camera. He appeared in the Disney+ series Pauline and the Sky series Souls. He also wrote the script for and starred as the antagonist in the independent Viking drama film Wyrd. His extensive performance background includes numerous stage productions, with credits ranging from Shakespeare plays like Romeo und Julia to contemporary works and children's theater.