Christopher Carroll is an American actor with a career spanning several decades, recognized for his contributions to English-language dubs of anime series and films. He is also known by the alias Sam Strong, under which he has voiced numerous additional roles. His work is primarily associated with the Animaze and ZRO Limit Productions dubbing studios, which were prolific in producing English adaptations of Japanese animation from the 1990s and early 2000s.

Carroll's career in voice acting includes a wide array of credits, often in supporting and character roles. He is notably connected to the anime adaptation of Android Kikaider: The Animation, where he provided the voice for Dr. Komyoji, the creator of the titular android. This role places him within a significant superhero franchise created by Shotaro Ishinomori. Another prominent credit is his role as Daido in the acclaimed cyberpunk series Ghost in the Shell: Stand Alone Complex and its second season, Ghost in the Shell: S.A.C. 2nd GIG. He also contributed additional voices for the OVA series Battle Fairy Yukikaze.

Beyond these credits, Carroll's filmography as Sam Strong is extensive, featuring voices in many classic and influential anime titles. These include the Animaze dub of the landmark film Akira, where he voiced several minor characters including a councilman. Other notable credits under this alias include roles in Cowboy Bebop, Trigun, Perfect Blue, Mobile Suit Gundam: The Movie Trilogy, El-Hazard: The Magnificent World, and Armitage III. This body of work demonstrates his long-standing presence in the industry during a formative period for English-dubbed anime.

Throughout his voice acting career, Carroll has frequently collaborated with a consistent group of fellow voice actors, a common feature of the close-knit dubbing community. His frequent collaborators include Mona Marshall, Barbara Goodson, Bob Papenbrook, and Kirk Thornton, all of whom worked alongside him on multiple projects such as the various Ghost in the Shell series and Kikaider. In addition to his animation work, Carroll has also appeared in live-action television and film, with guest roles on series like The Fresh Prince of Bel-Air, Boston Legal, Desperate Housewives, and Mad Men, as well as a memorable cameo as Hitler in the comedy film Little Nicky.