Birthday: November 7, 1984 in La Paz, Baja California Sur, Mexico
Birth Name: Guillermo Alfonso Callahan Olachea
Height: 191 cm
Guillermo Callahan was born on November 7, 1984 in La Paz, Baja California Sur, Mexico. He is an actor, known for 1974: La posesión de Altair (2016), Estudio en la Calle St. Jude (2015) and Los Vigilantes del Ródano (The Watchers of the Rhône) (2021).