Gianluca Testa began his acting career in theater productions and independent cinema, later appearing in about thirty films and television series. In theater he collaborated with Giuliano Vasilicò, playing the role of San Giovanni for three years in Dal Vangelo secondo Giovanni[2] and worked with Giancarlo Nanni and the Teatro Vascello in Rome from 2006 to 2009[3]. In 2006 he appeared in the official music video of Raf in the song Dimentica. After debuting in the soap opera Incantesimo, he played Mirko Bertolini in the miniseries Inspector Rex(2008 – 2015)[4][5]on Rai 1, Canal + France and German Sat 1. He also played the role of Francesco Ticconi in the television series Carabinieri (2002-2008) on Canale 5. He later plays Brenno in the film Pipì Room directed by Jerry Calà[6] and plays in Calibro 10 with Franco Nero. He played the lead role of Davide in the horror film Mad in Italy – Birth of a Serial Killer, distributed in the USA by Elite Entertainment and on Amazon Prime Video. The film was well received by American critics, who expressed favorable opinions on his interpretation[7][8] . He plays the lead role in other genre films such as A sei giorni dalla fine, winner of the Jury Prize at the Tohorror Fantastic Film Fest [9] and Abisso nero[10], directed by Gaetano Russo, released in theaters in 2021 and later on Amazon Prime Video, but also in socially committed films such as All Human Rights for All, directed among others by Carlo Lizzani, Pasquale Scimeca and Giovanni Veronesi, in which he stars with Roberto Herlitzka, Valerio Mastandrea, Marco Giallini and Rocco Papaleo[11].