Sergio Castillo is an actor, writer, director, and producer for both theatre and film. Originally from California, Sergio has been seen in many productions on both coasts. He was a member of The Company of Angels in Los Angeles where he appeared in La Puta Vida and several original works. He also performed at The Latino Theatre Company and has a BA in Theatre-Directing from UCLA. 

His NYC acting credits include: Audience Participation (Manhattan Repertory Theatre Festival Winner), The Prenup (Strawberry Festival Finalist), Dust (Third Room Productions), Kristina (August Strindberg Repertory Theatre), The Councilwoman (West Village Musical Theatre Festival), After (End Rape Now), Plutus (Curious Frog Theatre Company), The Taming of the Shrew (Queens Players), The Bald Soprano (Dance New Amsterdam), and Hello Out There (Dance New Amsterdam). He completed his MFA at the Actors Studio Drama School; Pace University.

Since graduating he has directed and starred in six films: My Brooklyn (Praxis Culture Films) Have You Ever Been With A Latin Guy? (Praxis Culture Films), Coda For A Dream (Praxis Culture Films), No Translation (Praxis Culture Films), Lonely Ciphers (Working Class Films), and Never Worn (Working Class Films). He was also featured in Moth, which won Best Experimental Film both at the California Women's Film and The Monthly Film FestivalHe also starred in Perfect Life, Inc, which premiered at the Knickerbocker Film Festival, Bits & Pieces (New School), Ali (NYU), and Reina (Brooklyn College), which premiered at the Brooklyn Academy of Music. In regional theatre, Sergio’s credits include: Hector Lopez in The Hunterdon Hills Playhouse's production of Squabbles in Hampton, New Jersey and Sebastian in The Tempest for The New Art Theatre in Manchester, New Hampshire. 

In the summer of 2012 he starred in his first lead in his first feature film entitled Hole In The Wall, produced by Sergeant Pictures. The film had its world premiere at The Manhattan Film Festival and went on to win several awards: 2nd Place Silver Award at The International New York Film Festival, Best Family Comedy at The Manhattan Film Festival, and was awarded at The United Latino International Film Festival. He has also made several television appearances, which include: Redrum(Investigation Discovery), Scorned: Love Kills (Investigation Discovery), Monsters Inside Of Me (Animal Planet), and Mysteries At The Museum (Travel Channel). He has also been featured in various internet projects, including numerous appearances on, and MTV Decoded. 

In the summer of 2013 he directed the world premiere of the one woman show entitled The Hat at The New York International Fringe Festival. In the summer of 2015 he returned to The New York International Fringe Festival as the director and author of the controversial new play I Want To Kill Lena Dunham. Prior to the FringeNYC production, the play was produced in Los Angeles under the Fringe Theatre Company. He was also the author of his newest play Radical, which had its world premiere at the Metropolitan Playhouse. He developed the play further and starred in it at the Sanctuary Festival, which was held at the HERE Arts Center in NYC.

Sergio is also the author of Delicate Nothing (Manhattan Repertory Theatre), Strangely Visited People (Play Club), andUnderground Tequila

He has served on the Brooklyn Arts Council and is the co-founder of Praxis Culture Films. He is a proud member of SAG-AFTRA.