Guillermo Francella

as Klaus

as Protagonista, Executive Producer

as Narrator

as Self - Narrator (voice)

as Barsamián (5 episodes)

as Alejandro Petrossián

as Eliseo (32 episodes)

as Miguel Flores

as Mario Vitette

as Arturo

as Antonio Decoud

as Dr. Enrique Hubermann

as Padre

as Arquímedes Puccio

as Santiago

as León Godoy

as Merello

as Hugo Bermúdez (24 episodes)

as Juan Marziano

as Pablo Sandoval