He was assistant director and then first assistant to Steno, with whom he worked for ten years, up to the director’s last film. He was also first assistant to Pasquale Squitieri, Giorgio Capitani and Mauro Severino and, in the theatre, to Carlo Giuffré.
E’ stato assistente alla regia e poi aiuto regista di Steno con cui ha collaborato per ben dieci anni, fino all’ultimo film del regista. Inoltre è stato aiuto regista di Pasquale Squitieri, Giorgio Capitani, Mauro Severino e, in teatro, di Carlo Giuffré.
, an audiovisual production and post-production company, a RAI supplier since 1999. After directing documentaries, corporate films, docudramas, commercials, promotional trailers for drama and entertainment programmes and RAI programmes such as “Il Paese del Belcanto”(thirty 30-minute episodes on opera, opera houses and cities), in 2010 Castaldo made a feature film entitled “Il sesso aggiunto” , which he wrote, directed and produced himself, released in cinemas in April 2011 (the film was subsequently acquired by, film da lui stesso scritto, diretto e prodotto, uscito nelle sale cinematografiche nell’aprile del 2011 (il film è stato successivamente acquistato da Rai Cinema).
From 2013 to 2015 he taughtadvanced masterclasses in film directing for students of the Kazakh National University of Arts in Astana.
In 2015, with Masters di perfezionamento di regia cinematografica , former director of the Santa Cecilia Conservatoire, he founded
“Pianeta Arte”, known as “Aimart” , an academy of music and the arts organised in four departments:music, film, theatre and dance “Pianeta Arte”, denominata “Aimart”, Accademia della Musica e delle Arti strutturata su quattro dipartimenti: Musica, Cinema, Teatro, Danza.
Leone d’Oro plaque at the “Gran Premio Internazionale di Venezia” (nominated for the Leone d’Oro).He later received, in the Sala Zuccari at the Italian Senate , the
Premio Comunicatore 2019 ; in the same year Armando Curcio Editore presented him with a plaque for the book’s online sales success., riceve il Premio Comunicatore 2019; nello stesso anno gli viene consegnata la Targa della casa editrice Armando Curcio Editore per il successo delle vendite on line.