As an actor he stars in the film Streghe verso nord (2001) by Giovanni Veronesi and in the television series Piper (2009) based on the 2007 TV movie by Carlo Vanzina of the same title.
In 2003 she was chosen by director Mimmo Calopresti for a small role in La felicità non costa niente (Happiness Costs Nothing) (2003), after which her career took off: in the same year she played Maja in the Fame chimica (Chemical Hunger) by Paolo Vari and Antonio Bocola and Bea in Che ne sarà di noi (What Will Happen to Us) by Giovanni Veronesi, who is her current partner.
Placido's other movies include Ora o mai più, by Lucio Pellegrini, Che ne sarà di noi, by Giovanni Veronesi, and Ovunque sei, directed by her father.
Don Giovanni | Giovanni Pierluigi da Palestrina | Giovanni Bellini | Giovanni Riggi | Giovanni Boccaccio | Giovanni Battista Pergolesi | Giovanni Battista Tiepolo | Giovanni Battista Guarini | Giovanni | Giovanni Trapattoni | Giovanni "John the Eagle" Riggi | Giovanni Gabrieli | Giovanni Falcone | Villa San Giovanni | San Giovanni in Persiceto | Giovanni Verga | Giovanni van Bronckhorst | Giovanni Tamagno | Giovanni Pacini | Giovanni Battista Pescetti | Giovanni Papini | Giovanni Hidalgo | Giovanni Domenico Cassini | Giovanni de' Medici | Giovanni Bottesini | Giovanni Battista Riccioli | Giovanni Zenatello | Giovanni Visconti | Giovanni Schiaparelli | Giovanni Pisano |
Also in 2009, he acts in the film Natale a Beverly Hills, directed by Neri Parenti and in 2010 is one of the protagonists of Genitori & Figli, film by Giovanni Veronesi and again with Veronesi he acts in Manuale d'amore 3, where he played Cupid.