Hanssel Casillas is a Mexican theater, television and film actor. He began acting at the age of five, thanks to his sister taking theater classes and he began to be attracted to the world of acting. He began appearing in short films in small roles. He participated in the 2018 series Run, Coyote, Run, in theater he worked under the direction of Benjamin Cann in the play Instrucciones para ir al cielo, as well as in 10 more television projects. In 2017 she landed a role in Issa Lopez's praised film, Vuelven (Tigers are not afraid). In 2019 he had the recurring role of Leon in the historical series Sitiados: Mexico. He also appears in Yibran Asuad's film Todas las pecas del mundo (2019), where he plays the main character José Miguel Mota, who fights for his impossible love: the beautiful Cristina Palazuelos, played by Loreto Peralta.