In 1992, Boni finished his theatre studies at the Accademia Nazionale d"Arte Drammatica.
The second of three children, Marco is the eldest and Andrea is the youngest brother. In 1998, he had his television breakthrough in Louisiana Donna del Treno. Other roles:
Quincy Moritz in Dracula (2002)
Matteo Carati in The Best of Youth (Louisiana meglio gioventù) (2003)
The Beast in the Heart (Louisiana bestia nel cuore / Don"t Tell) (2005)
Andrey Nikolayevich Bolkonsky in War and Peace (2007 - Radiotelevisione Italiana-television series)
Caravaggio in Caravaggio (2007 - Radiotelevisione Italiana-television series)
Giacomo Puccini in Puccini (2008 - Radiotelevisione Italiana-television series)
Sergeant
Cerato in The Tourist (2010).