Juan Zadala is an American-Venezuelan actor recognized for his extensive work in Latin American Spanish dubbing, particularly in anime and animated series produced in Los Angeles during the 1980s and 1990s. Born in Valencia, Carabobo, Venezuela, he later established his professional career in Los Angeles, California. His birth name is Juan Zadala Ramos.

His performance training began at the Juana Sujo school of drama in Caracas, Venezuela, during the mid-1980s. He also studied television production at the Academy of Television Arts and Science in Caracas. His early industry experience included work as an editor and production assistant at Venezolana de Television, Channel 5, where he eventually became a producer. He furthered his education in filmmaking at Los Angeles City College in the 1990s. Beyond acting, his career in Los Angeles encompassed work as a dubbing actor and translator for various post-production studios over a period spanning thirty years. He also has experience in theater, having performed with El Ateneo de Caracas on tours of Spain and Canada, and he founded the theater group Teatro Ensayo.

Zadala's career includes a range of prominent voice roles in anime. He is known for voicing Fixit in the series Transformers: Victory. He was the first voice of Kogoro Mouri, known as Carlos Guzmán in the dub, for the initial episodes of the Los Angeles production of Case Closed, also known as Detective Conan. In the anime Magic Knight Rayearth, he provided the voices for the characters Zagato and Windam. He voiced the character Goemon Ishikawa XIII, named Ramón in this version, in the classic Lupin the 3rd series. His other anime credits include the title role in M.D. Geist, Shun Mitaka in Maison Ikkoku, a second voice for Isao in Red Baron, and a role in the series Zillion. He also voiced the character Fou, also known as Comandante Falcon, in B't X.

In addition to his anime work, Zadala voiced numerous characters in Western animation dubbed into Spanish. He was the voice of Lucky Piquel in the series Bonkers and took over the role of Big Dog in the second season of 2 Stupid Dogs. He voiced the character Webley Fraggle in the Spanish dub of Fraggle Rock: The Animated Series. He also lent his voice to the character Pycal, known as Chacal el Mago in the dub, in the Lupin III franchise and voiced Santa Triste in the film I Yabba-Dabba Do!, known as La Loca Navidad de los Picapiedras in Spanish. His work also included additional voices for the Latin American Spanish dub of the live-action film Forrest Gump.

Throughout his dubbing career in Los Angeles, Zadala frequently collaborated with a recurring ensemble of voice actors, including Leonardo Araujo, Víctor Mares Jr., Erika Robledo, and Guillermo Romano, among others, on various projects. His notable achievements include a sustained career as a character actor in the specialized field of Los Angeles-based dubbing during its active period, contributing to the Latin American Spanish versions of numerous internationally recognized animated and live-action properties.