Education
Grillo was educated at Trinity Hall, Cambridge, and while there was actively involved in student theatre.
Grillo was educated at Trinity Hall, Cambridge, and while there was actively involved in student theatre.
He performed with Footlights in their annual revue. After Cambridge, he was awarded an Arts Council Playwrighting Bursary and his plays were performed at Nottingham, Glasgow, Oxford and Dublin as well as at the Aide-de-Camp Theatre in Cambridge. He played Mr. Samgrass in the Independent Television series Brideshead Revisited, and Phillip Marriott Queen's Counsel in Crown Court.
He had minor parts in other shows, including Blackadder II ("Bells"), Bergerac, Prince Regent, Taggart and Rumpole of the Bailey.
He also had a more regular role in Three Up, Two Down, playing the gloomy and pessimistic zoo-keeper Wilf Perkins. In 2008, he contributed to the audio commentary for the Digital Video Disc release.
His film credits include appearances in Scum, Firefox, Brazil, Blame lieutenant on the Bellboy, Christopher Columbus: The Discovery, Orlando, Jack and Sarah, FairyTale: A True Story, Jinnah, The Affair of the Necklace, and Max. He is represented by Michelle Braidman Associates.