Career
He appeared in multiple motion pictures from the mid-1950s to the late 1990s. After serving in the Army, de Vargas made his film debut in The Blackboard Jungle while still attending Loyola Marymount University. He had responded to a flyer posted at Loyola to audition for a high school student role in the film.
He travelled to Mexico where played one of the Mexican bandidos in The Magnificent Seven (1960).
In the 1960s he appeared on television programs including Bonanza, Daniel Boone, The Wild Wild West, Gunsmoke, Valley Days, The High Chaparral, Mission: Impossible, Barnaby Jones, The Streets of San Francisco, and Dallas. He later operated a realty firm, Schubert-DeVargas Realty, in Santa Fe, New Mexico.
In 1962 he joined the cast of international stars in Howard Hawks" Hatari!. After suffering for many months from myelodysplastic syndrome, he died on June 10, 2013, aged 78, in Tulsa, Oklahoma.
His interment was at Santa Fe National Cemetery.
He was a nephew of actor Don Alvarado.