
Castillo was a founding member of The Latino Theater Company. He co-wrote the company’s plays Stone Wedding and August 29. In addition to the plays, he wrote and directed the film The History of The Latino Theater Company, a documentary chronicling the theater company, and co-produced the company’s annual comedy fundraiser Noche de Risa y Susto. In 1997 Castillo created Four Brown Hats Entertainment (FBHE), a film
and theater production company. With FBHE, he adapted and directed The Last Angry Brown Hat. Following this, he wrote and directed Veteranos: A Legacy of Valor, a theater piece honoring the military contributions by Latinos in America’s defense. Among his completed feature film scripts are Yo Solo, The Cobra, Valley of the Dead, Deerdancer, and The Last Angry Brown Hat.

Déjà Vu
2006 · as Claire's Father

Bound by Honor
1993 · as Montana

Mars Attacks!
1996 · as Hispanic Colonel

In Good Company
2004 · as Hector

Losin' It
1983 · as Taxi Driver #2

Seguin
1982 · as Gregorio Esparza

Black Moon Rising
1986 · as Mechanic #1

Nixon
1995 · as Virgilio Gonzales, Watergate Burglar

Beatriz at Dinner
2017 · as Marcus

Borderline
1980 · as Arturo

The Hi-Lo Country
1998 · as Levi Gomez

Picking Up the Pieces
2000 · as Grasiento

El Norte
1983 · as Jorge

The End of Violence
1997 · as Ramon

Intimate Stranger
1991 · as Cop #3

A Beautiful Life
2009 · as Don Miguel

Get Out of My Room
1985 · as "El Coyote" (segment 'Born In East L.A.')

Homebound
2013 · as Gilberto Escamilla