Ariel Cister is an Argentine actor of theatre and dubbing, voice director, teacher, and singer, born in Buenos Aires on July 10, 1978. His career in voice acting began in 1999, and he has since performed for major companies including Fox, Sony, and Disney. He is also a teacher of dubbing and vocal interpretation in both Rioplatense Spanish and neutral Spanish, a profession he has practiced since 2013.

Cister has an extensive body of work in animation and dubbing for Spanish-language versions. In anime, he is known for voicing the character Jorobado in the film First Squad: The Moment of Truth. He also lends his voice to the role of Myoga in the series Yashahime: Princess Half-Demon. His other notable credits in animation include the lead role of Selkirk in the 2012 Argentine animated film Selkirk, el verdadero Robinson Crusoe, Logger Vick in the Boonie Bears film series, and Dave in the series Dave, el bárbaro. He has also provided voices for internationally distributed series such as Robocar Poli.

Beyond animation, Cister has a prolific career dubbing live-action films and television series. Some of his most recognized roles in this field include Tuco Salamanca in the Spanish-language dubs of Breaking Bad and Better Call Saul, Crash in Crash & Bernstein, Jordi Cruz in Art Attack, and Toby Determined in Gravity Falls: Un verano de misterios. His film dubbing credits include a wide range of characters in productions such as El quinto elemento, Kramer vs. Kramer, Jackie Brown, and Dragon Ball Super: Broly, among many others.