Perez began his career in 2002. He has guest starred in
The Closer,
CSI: Crime Scene Investigation,
CSI: Miami,
A Beautiful Life, and had a five-episode role on
Friday Night Lights. In 2010 he guest starred in
Cold Case,
NCIS: Los Angeles and
In Plain Sight. He has been in many independent films, including
August Evening. In
August Evening he plays Luis, kind-hearted butcher who falls in love with the widow, Lupe. Walter starred in
Emilio, another popular independent film. He also played Al Crisotomo in the television movie, Walkout on HBO; and co-starred alongside
Dermot Mulroney and
Diane Kruger in Run for Your Life. Perez is best known for his role in
Fame, an updated version of the
1980 film. Walter won Outstanding Performance for his role in
August Evening at 2007 Los Angeles Film Festival in the independent film,
August Evening, which won the John Cassavetes Award. ==Personal life==