Ignacio Ariel Serricchio is an Argentine actor. He is known for his role as Diego Alcazar on General Hospital and as Alejandro "Alex" Chavez on The Young and the Restless. Other roles include Lifetime's Witches of East End, seasons 9-12 of Bones, and the Netflix reboot of Lost in Space.

Diego Alcazar is a fictional character from General Hospital, an American soap opera on the ABC network. Diego is the son of Lorenzo Alcazar and Maria Sanchez. Ignacio Serricchio originated the role of Diego in October 2004 and portrayed him until the character's supposed death in November 2006. Serricchio returned briefly in 2008, when it is revealed Diego is alive and terrorizing the citizens of Port Charles as the Text Message Killer.