Shaun Mendum is a British voice actor known for his work in animation and video game voice-over, with a background in professional stage performance. He trained at the London Academy of Music and Dramatic Art (LAMDA), where he completed a two-year Master of Fine Arts in Professional Acting and graduated with Distinction. Prior to his acting career, Mendum was a professional ballet dancer. His vocal range is characterized as baritone or tenor.

Mendum has performed in a variety of media, including animation, video games, audio dramas, and commercial voice-over. In the field of anime voice acting, his most recognized role is Joffrey O'Brian in the English dub of the Netflix anime series Love Through a Prism, which premiered in 2026. Joffrey O'Brian is a student in the sculpting department and a friend of a primary character in the series, which is set in early 20th-century London. In addition to his named role, Mendum also provided additional voices for Love Through a Prism. The English dub for this series was produced by VSI London.

Beyond his anime work, Mendum's voice acting credits extend to major video game productions. He contributed to the critically acclaimed role-playing game Baldurs Gate 3, performing various characters. He also stars as the character Ethan Corto in the video game Starship Troopers: The Ultimate Bug War, set in the science fiction universe of the franchise.

Mendum has shared his professional expertise through workshops and public speaking. He has led workshops focused on acting for video games and has been a guest speaker at events including Comic Con London and EGX London. His professional home studio is equipped for broadcast-quality recording, and he offers services including live-directed sessions via video conferencing platforms.