Marcello trained as an actor in London. From there he went on to perform in numerous theatre productions around the country. He has performed at the RSC, The Globe, Reagents Park, The Rose, West Yorkshire Playhouse and many others. His TV and film career started in the early 90's with appearances in Sherlock Holmes, The Crusades and Gladiators working alongside Monty Pythons Terry Jones. He later went on to appear in "Intimacy" directed by the renown French director Patrice Chereaux . Most recently you can see Marcello in "Captain America" "Inteview with A Hitman" and the upcoming Formula 1 film by Ron Howard "Rush"(working title).