Shigeru Ushiyama is a veteran Japanese actor and voice actor born on January 25, 1952, in Nagano Prefecture. He is affiliated with the Theatre Company Subaru, a prominent theatrical troupe in Japan. Ushiyama began his professional career in 1977 after studying at the Academy of Performing Arts and joining what would become the Subaru theater company, where he remains a dedicated member. His early interest in acting was sparked during his fourth-grade year of elementary school.

His voice acting career is extensive, spanning both anime and the Japanese dubbing of foreign films and animated features. In the realm of anime, Ushiyama has portrayed a wide array of characters across numerous popular series. He is known for roles such as Doctor Hiruluk in One Piece and its related film One Piece: Episode of Chopper - The Miracle Winter Cherry Blossom, Professor Shikishima in Tetsujin 28 and its film Tetsujin 28: Morning Moon of Midday, and Matsuda in Descending Stories: Showa Genroku Rakugo Shinju. His filmography also includes roles as Gimlet in A Farewell to Weapons, Baghdash in Legend of the Galactic Heroes: Die Neue These - Collision, Edo in the Ultraman series, Abraham in the series Yasuke, Mo Heng in Xuan Yuan Sword Luminary, and Entarō Hōjō in both In This Corner of the World and In This Corner (and Other Corners) of the World. He also provided the voice for Papa in the series Wasimo. Other notable anime credits include roles in Mobile Suit Gundam ZZ, Black Lagoon, Naruto: Shippūden, Jujutsu Kaisen, and multiple characters in the long-running series Detective Conan.

Beyond original Japanese animation, Ushiyama is highly active in the field of dubbing foreign content. He has provided the Japanese voice for numerous international actors, including Bryan Cranston, David Schwimmer, William Fichtner, Bill Paxton, and Michael Emerson. His extensive dubbing work encompasses films such as The Perfect Storm, Black Hawk Down, Crash, and the Breaking Bad television series. He is also closely associated with Disney, voicing classic characters like the White Rabbit in Alice in Wonderland, Timothy Q. Mouse in Dumbo, and Mister Smee in Peter Pan for various Japanese-language editions. Other animated dubbing credits include roles in Monsters, Inc. and Finding Dory.

Ushiyama is married to fellow voice actress Keiko Aizawa. His career, which began in the theatre, demonstrates a long-standing commitment to the performing arts, with a body of work that spans live-action stage performances, television dramas such as Sazae-san, and a prolific output in voice acting for both animation and dubbed foreign media.