In 1999, he co-starred in the telenovela La fiera [es], starring actress Claudia di Girolamo, which became a praised and awarded soap opera.

[2] Currently he is officially recognized as the actor with the longest career in Chilean cinema, occasionally collaborating with Raúl Ruiz, Helvio Soto, Miguel Littín, Emilio Gómez Muriel, and Silvio Caiozzi.

He studied Corporal Expression and Pantomime with Alejandro Jodorowsky, and with Enrique Gajardo and Pedro de la Barra at the Dramatic Arts Center of the Pedagogical Institute of the University of Chile, among others.

Jackal of Nahueltoro broke public attendance records, only surpassed by the television hit adapted to the big screen, Germán Becker's Ayúdeme usted compadre.

[7] Later, Luis Alarcón appeared in a large portion of Raúl Ruiz's films such as Nadie dijo nada (1970), The Penal Colony (1970), The Expropriation (1971), and Little White Dove (1973).

On television he has played emblematic characters on TVN's Dramatic Area series, such as Pedro Chamorro on La fiera, who at all costs wants to marry his eldest daughter, due to a promise made to his dying wife.

For one such commercial, shot by director Silvio Caiozzi, Alarcón won a Golden Lion Award at the 1986 Cannes Film Festival.