Garralaga first came to the United States when he sailed from Santo Domingo, Dominican Republic, to San Juan, Puerto Rico, on the steamship Catherine in April 1924.

In 1958, Garralaga was cast as Ramirez in the episode "A Tree for Planting" of the CBS western television series, The Texan.

In the storyline, series character Bill Longley (Rory Calhoun) comes to the aid of a distressed Mexican farmer, Ramirez, whose peach orchards are being overrun by cattle ranchers.

[2] Garralaga appeared as Father Mariano, a mission priest, in the 1954 episode "The Saint's Portrait" of the syndicated anthology series Death Valley Days, hosted by Stanley Andrews.

The episode also starred Rico Alaniz, George J. Lewis, Eugenia Paul, and Chief Thundercloud.