Billy DaMota began his casting career in 1985, working as an assistant on such films as Predator, The Running Man and The Three Amigos. In 1988 he was hired as the casting associate on the gang epic, Colors, directed by Dennis Hopper and starring Sean Penn and Robert Duvall.

Billy became an independent casting director with Miracle Mile, starring Anthony Edwards and Mare Winningham as well as Steven Seagal's first film, Above the Law (with Sharon Stone) and went on to cast the legendary cult classic, Chopper Chicks in Zombie Town, casting the then unknown Billy Bob Thornton in his first co-starring role. One of Billy's favorite casting gigs was a family drama for the Miller Twins, Touching Home, starring Ed Harris, Robert Forster and Brad Dourif.

Billy has gone on to cast hundreds of films, TV shows, commercials, plays and music videos, casting actors in the beginning of their careers like James Franco, Cameron Diaz and Brad Pitt as well as Hollywood legends such as Faye Dunaway, Cybill Shepherd, Mickey Rooney, Glenn Ford and Tony Curtis. Billy has worked with acclaimed director Alex Proyas as a casting consultant on The Crow as well as the Will Smith hit I, Robot.

For 20 years, Billy cast the hit FOX TV show America's Most Wanted and has worked as a casting director on 35 films for Pure Flix, the industry's #1 faith-family production company. Among his recent films are Do You Believe? starring Oscar winner Mira Sorvino, Alexa PeƱaVega and Cybill Shepherd and The Case for Christ, starring Mike Vogel, Erika Christensen, Robert Forster and Faye Dunaway, which was released in April, 2017 to glowing reviews. God's Not Dead starring Shane Harper, Kevin Sorbo, Dean Cain and Willie Robertson remains one of the highest grossing faith-based film in history. For two years, Billy  cast the ABC drama,  In an Instant. 

In 2019, watch for the release of Faith, Hope & Love starring Peta Murgatroyd, M. Emmet Walsh, Corbin Bernsen and Michael Richards; Palau, the life story of charismatic S. American evangelist Luis Palau, and Making a Killing, a dark thriller starring Christopher Lloyd, Mike Starr  and Michael Jai White.

In the world of music videos, Billy has worked with artists such as Tori Amos, Big & Rich, The Basement Jaxx, Brooks and Dunne, Faith Hill, George Strait, Dave Navarro, Ministry, Toby Keith, Brad Paisley, MC 900 Ft. Jesus, Kanye West and The Ramones.

Billy joined the The Casting Society of America in 1992 and has been nominated four times for Best Casting. As a director, Billy has won several awards for POSEY, a film starring Ray Wise and Golden Globe winner Sally Kirkland.  He is a member of the Academy of Television Arts and Sciences (Emmys).

Billy is a published author, plays in a rock and roll band, and as an advocate for the rights of actors, founded in 2000 to help educate and inform new actors. He has been instrumental over the years in working on legislation to help protect the acting community and to promote and advocate ethical behavior in the casting industry.

Billy is developing CASTING BUY, a documentary detailing the pay-to-play scandal that recently found 18 casting directors prosecuted for charging actors for auditions.